| 单词 | simple machine |
| 例句 | The answer is easy: he would carefully observe his environment to see what materials he could use to make a simple machine, like a pulley or a lever. The Queen of Water 1996-01-01T00:00:00Z After lunch, the class plodded through a spelling pretest, followed by a science work sheet on simple machines, but all George could think about was trying out for Charlotte. George 2015-08-25T00:00:00Z All these simple machines provide a mechanical advantage in moving a load. The Invention of Science 2015-09-17T00:00:00Z First, in conceptual terms at least, there are the ‘simple machines’. The Invention of Science 2015-09-17T00:00:00Z “Kids may be learning about simple machines at the same time that they’re learning about evolution.” Inventgenuity Festival: A Design and Engineering Fair for Children 2016-03-11T05:00:00Z There, safe from the sunlight of commercial success, Jacobs is famous for inventing simple machines and digital tricks to squeeze depth out of flat pictures, with abstract, often disorienting results. On a New York Street, Windows Become Theaters for Ken Jacobs’s Films 2023-06-29T04:00:00Z From a purely technological standpoint, the museum is a fascinating walk through the evolution of the pinball machine — from very simple machines to complicated models. Attention, pinball wizards: There’s a museum in New Jersey just for you 2016-03-08T05:00:00Z Four of the simple machines are marked “do not touch,” usually because they hold small, partly concealed video screens. Review | In the galleries: Artist explores how castoff materials can be a venue to enlightenment 2020-02-13T05:00:00Z First, the messages that she worked on came from a relatively simple machine. This Code Breaking Quaker Poet Hunted Nazis 2023-10-12T04:00:00Z The researchers said that their method had succeeded by following a relatively simple machine learning approach. AI-driven earthquake forecasting shows promise in trials 2023-10-05T04:00:00Z These simple machines allow you to make precision bends so the aluminum conforms to the shape of the fascia boards. Minimize maintenance on your home's exterior wood by following the instructions 2023-09-18T04:00:00Z Another very simple machine is the inclined plane. College Physics for AP Courses 2015-08-12T00:00:00Z Microphones in the robot’s ears allow it to triangulate sound and turn to nearby noise while cameras in its eyeballs run a simple machine vision program to track hands and faces. A visit to the human factory 2022-05-04T04:00:00Z High jinks and misunderstandings ensue, with Guy taking to the creature comforts of “privacy,” hygiene and simple machines the Bettermans can provide, while Dawn gets a taste for adventure with the wild woman Eep. ‘The Croods: A New Age’ movie review: Clan begins to evolve in bright, busy sequel 2020-11-25T05:00:00Z High jinks and misunderstandings ensue, with Guy taking to the creature comforts of “privacy,” hygiene and simple machines that the Bettermans can provide, while Dawn gets a taste for adventure with the wild woman Eep. Review: 'The Croods: A New Age' is a sweetly chaotic follow-up 2020-11-23T05:00:00Z “It’s a pretty simple machine that produces millions of ions that attach to pathogens and particles in the air,” Frederick said. Outdoor dining has helped restaurants avoid disaster. But winter is coming. 2020-09-25T04:00:00Z Viewing them as simple machines, the input force is much greater than the output force, as seen in Figure 9.28. College Physics for AP Courses 2015-08-12T00:00:00Z Second place winner Jagdeep Bhatia also created his project at the computer instead of at the lab, developing two fast and simple machine learning algorithms for computer programs that are attempting to learn new concepts. Competing Toe to Toe without Sharing an Arena 2020-08-19T04:00:00Z We swore off pesticides and bought a Fiskars reel mower, a simple machine with a cheerful orange cover. Lawn order: How I learned to plant more and mow less | Produced by Advertising Publications 2019-05-02T04:00:00Z The beads are all blown and painted by hand, with help from simple machines. AP PHOTOS: Czech glassblowers keep Christmas tradition alive 2018-12-01T05:00:00Z The no-frills, simple machine seats two just above the rails. ‘Speeder’ helps keep trains running on Ballard’s short line 2018-04-28T04:00:00Z In the space below, explain why torque is integral to the increase in force created by a simple machine. College Physics for AP Courses 2015-08-12T00:00:00Z Conceptually at least, the Falcon Heavy is a simple machine. The biggest rocket in the world prepares for its maiden voyage 2018-01-18T05:00:00Z On paper, making human beings behave like simple machines might deliver greater efficiency. Robots have already taken over our work, but they’re made of flesh and bone | Brett Frischmann and Evan Selinger 2017-09-25T04:00:00Z The paper “confirms that there are clear, important problems where applying simple machine learning solutions can bring a crucial advantage,” he says. Artificial intelligence just made guessing your password a whole lot easier 2017-09-15T04:00:00Z “Doolittle is like Brad Lidge. They depend on one wipeout pitch. They are simple machines. “ Perspective | In the Nats’ bullpen, is three greater than one? Sure, if they add up to zeroes. 2017-08-09T04:00:00Z A simple hydraulic system, such as a simple machine, can increase force but cannot do more work than done on it. College Physics for AP Courses 2015-08-12T00:00:00Z In one experiment, we showed preschool children a simple machine with a switch on one side and two disks that spin on top. Artificial Intelligence Helps in Learning How Children Learn 2017-05-30T04:00:00Z Could these simple machines be the dominant intelligence here? A trip to Central Park : Nature : Nature Research 2017-05-02T04:00:00Z For example, only 29% of students “sometimes” or “often” work with simple machines. Are U.S. schools teaching hands-off science? 2016-11-01T04:00:00Z They watch lectures in which interrelated organ systems are displayed as simple machines. When Doctors Stop ‘Seeing’ Patients 2016-05-08T04:00:00Z From the art of balancing, to simple machines, to the muscles in your body, the world around you relies upon the principles of equilibrium to remain stable. College Physics for AP Courses 2015-08-12T00:00:00Z Whatever the kind of current, the brain isn't a simple machine, he cautions, and it isn't possible to turn a function on like a light switch. Neurostimulation: Bright sparks : Nature : Nature Publishing Group 2016-03-01T05:00:00Z Learning how to use his equipment, a series of simple machines, took her less than 15 minutes. The unlikely sanitary pad missionary - BBC News 2015-12-02T05:00:00Z “They did their own research and learned a lot about geometry, angles, measurements and simple machines,” Collier said. Carthage students become playground designers 2015-03-13T04:00:00Z He said the project, and others like it, give the students in this nine-week exploratory class a basic understanding of simple machines: wheels and axles, pulleys, levers, gear ratios and how speed relates to torque. Teacher challenges students to build mousetrap-powered cars 2014-12-28T05:00:00Z A school dropout from the southern Indian state of Tamil Nadu was among the first to start making cheap sanitary pads using simple machines. The taboo of menstruating in India 2014-10-27T04:00:00Z This fact, that a car is not a simple machine of glass and steel but a hackable network of computers, is what Miller and Valasek have spent the last year trying to demonstrate. Hackers Reveal Nasty New Car Attacks--With Me Behind The Wheel (Video) 2013-07-24T13:00:00Z “These mostly simple machines last forever,” Mr. Moynihan said. About New York: Taxing Bullets as De Facto Gun Control 2012-08-10T05:48:04Z Galileo, as we know, recognised the truth of the principle in the consideration of the simple machines, and also deduced the laws of the equilibrium of liquids from it. Popular scientific lectures 2012-04-24T02:00:17.273Z To test his knowledge, rough dimensioned sketches, more or less incomplete, of simple machine details will be given him, and he will be required to produce a complete drawing in pencil to a given scale. An Introduction to Machine Drawing and Design 2012-03-06T03:00:25.777Z At first, the women were mainly engaged in simple machine operations, such as boring, drilling, and turning, or in filling the shells. The Woman's Part A Record of Munitions Work 2011-12-31T03:00:15.627Z The water-mill is, however, a simple machine compared with some mills of modern times. Knowledge is Power: A View of the Productive Forces of Modern Society and the Results of Labor, Capital and Skill. 2011-12-24T03:08:00.833Z A lever is a simple machine that can help people do just this. Heavy Lifting with a Lever 2011-12-15T15:15:00.230Z In this simple machine the lines of force exist between the poles of a horseshoe magnet. Aviation Engines Design?Construction?Operation and Repair 2011-12-04T03:00:04.777Z Look up "wedge," "machine," "simple machine," etc., in the dictionary or encyclop�dia. The Adventures of a Grain of Dust 2011-11-22T03:00:12.257Z The seeds are then brought to the center, where workers use mesh screens and simple machines to sort and clean them for storage. New York City Native Plant Center?s Seed Is for the Future 2011-10-23T00:47:35Z I ought to say that the windlass in the house was a very simple machine. Palm Tree Island 2011-09-21T02:00:31.730Z Bodies of water greater in amount than is desired to be raised can thus be utilised, and this simple machine has come into very extensive use during the present century. Inventions in the Century 2011-07-20T02:00:14.643Z He managed this by making simple machines to do the rubbing for him on a larger scale. Autobiography of an Electron Wherein the Scientific Ideas of the Present Time Are Explained in an Interesting and Novel Fashion 2011-06-19T02:00:25.633Z This was a very plain and simple machine. A History of the Growth of the Steam-Engine 2011-04-21T02:00:53.240Z This simple machine minces meat very fine, and is useful in making croquettes, forcemeat for stuffings, etc. The Century Cook Book 2011-01-04T03:01:10.367Z In the Wimbledon fortnight a simple machine can say whether a tennis ball has crossed a white line. World Cup 2010: England re-enact a drama of failure 2010-06-27T23:06:00Z In the Pneumatics of Hero, which compilation of inventions appeared in 225 B. C., seventy-nine illustrations are given and described of simple machines, between sixty and seventy of which are hydraulic devices. Inventions in the Century 2011-07-20T02:00:14.643Z Man got tired of rubbing objects by hand, so he fitted up simple machines in which glass cylinders or plates were rubbed against leather cushions. Autobiography of an Electron Wherein the Scientific Ideas of the Present Time Are Explained in an Interesting and Novel Fashion 2011-06-19T02:00:25.633Z Participants can make and race balloon hover crafts, watch a planetarium program and learn about the physics of light, pendulums and simple machines. What's Doing 2010-02-19T05:00:00Z It is a “very cheap, very simple machine,” Muge said, and adds an antique quality to the photographs. 2010-01-12T05:27:00Z The heart is unlike a simple machine, because its motive power is not applied from without, but resides in its own substance. A Treatise on Physiology and Hygiene For Educational Institutions and General Readers Very simple machines are used in some parts of Africa. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 5 "Cosway" to "Coucy" If this foundation is laid thoroughly, the learner will regard plants and soils as old acquaintances, with whose formation and properties he is as familiar as with the construction of a building or simple machine. The Elements of Agriculture A Book for Young Farmers, with Questions Prepared for the Use of Schools The spooler is a simple machine, but one that requires constant attendance. The Fabric of Civilization A Short Survey of the Cotton Industry in the United States The common plough of the country is a simple machine and much inferior to the very worst of ours. Travels in China, Containing Descriptions, Observations, and Comparisons, Made and Collected in the Course of a Short Residence at the Imperial Palace of Yuen-Min-Yuen, and on a Subsequent Journey through the Country from Pekin to Canton Leo had in his busy brain half a dozen crude plans of simple machines. Make or Break or, The Rich Man's Daughter A simple machine consisting of a fourfold canvas, stretched by two cross-bars of iron, rivetted in the centre, and swifted at the ends. The Sailor's Word-Book An Alphabetical Digest of Nautical Terms, including Some More Especially Military and Scientific, but Useful to Seamen; as well as Archaisms of Early Voyagers, etc. With this simple machine I wound the silk in two grooves cut on a ring of hard rubber and parallel except at one point, where they crossed so as to form a kind of signet. The Atlantic Monthly, Volume 18, No. 106, August, 1866 In the ancient world we find the invention of such simple machines as the pulley, the use of rope, and the inclined plane. Human Traits and their Social Significance The cradle is a very simple machine, being a semicircular trough, hollowed out of a log, from five to six feet long by sixteen inches in diameter. The Golden Dream Adventures in the Far West An uneducated immigrant may soon learn to handle a simple machine, but the complicated machinery that the better-paid workmen tend requires intelligence, care, and sobriety. Society Its Origin and Development Some of these were learning simple machine operations, and a few were able to handle contragravity vehicles that had been fitted with adequate safety devices. Space Viking A simple machine of this sort is shown in Fig. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel This block is a very simple machine—merely a couple of steps. Confessions of an Etonian But all machines, however complicated in appearance, are in reality but modifications and combinations of one or more of four simple machines devised long ago by our remote ancestors. General Science From such a simple machine, thus endowed, the history has been something as follows: In reproducing itself this machine, as we have already seen, simply divided itself into two halves, each like the other. The Story of the Living Machine A Review of the Conclusions of Modern Biology in Regard to the Mechanism Which Controls the Phenomena of Living Activity The penciled legend ran across the sheet to include, under its caption a second excerpt, also in "Clarion" print, but of the advertisement style: WANTED—Sewing-girls for simple machine work. The Clarion The husking could be greatly facilitated by a very simple machine. The Commercial Products of the Vegetable Kingdom Considered in Their Various Uses to Man and in Their Relation to the Arts and Manufactures; Forming a Practical Treatise & Handbook of Reference for the Colonist, Manufacturer, Merchant, and Consumer, on the Cultivation, Preparation for Shipment, and Commercial Value, &c. of the Various Substances Obtained From Trees and Plants, Entering into the Husbandry of Tropical and Sub-tropical Regions, &c. The effect of falling snow is produced by a simple machine, consisting of a connected series of perforated cardboard boxes suspended from a cord or wire, and filled with finely cut paper. Down the Chimney Out of the few simple machines mentioned in the preceding Sections has developed the complex machinery of to-day. General Science This simple machine very much lessened the labor and expedited the work. Life of Daniel Boone, the Great Western Hunter and Pioneer They have a good many simple machines and implements, but I should not call them a scientific people. A Trip to Venus A compressed air motor is an exceedingly simple machine--much simpler than an ordinary steam engine. Scientific American Supplement, No. 531, March 6, 1886 A movable weight at the other end completes the apparatus; and yet this simple machine, will form the entering wedge to aerial navigation. A Project for Flying In Earnest at Last! The dexterity of the workmen appears still more surprising after seeing the simple machines which they employ to produce their beautiful wares. A Woman's Journey Round the World The berries are poured into a simple machine which extracts the two coffee beans encased in each berry. Santo Domingo A Country with a Future A cream separator manufacturer claiming a simple machine now presents in his catalogue illustrations of the parts of other machines used in the actual separation of the cream from the milk. Business Correspondence But Barbicane & Co. could readily make perforations with simple machines put in action by means of compressed air which was secured by using the powerful falls of water from the mountains. Topsy-Turvy We must seem backward to you, but we have passed beyond reliance upon simple machines. The Blind Spot I timed the labour of this simple machine, and proved that the two men delivered 3600 gallons within an hour. Cyprus, as I Saw It in 1879 |
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