| 单词 | age class |
| 例句 | On January 1 all horses graduate to the next age class even if their birthdays fall months later. Seabiscuit: An American Legend 2001-01-01T00:00:00Z Thoroughbreds are placed in age classes according to the year in which they are born, rather than their birth month. Seabiscuit: An American Legend 2001-01-01T00:00:00Z Tolson — one of a handful of scientists who receive military permission to visit the base independently each year — wants to understand how many snakes survive in each age class. An unlikely wildlife haven on controversial Guantanamo Bay 2017-07-10T04:00:00Z The second column shows the percentage of people with the disease per age class among the study participants. High School Statistics 2020-03-27T00:00:00Z The last column comes from a different study at the national level that shows the corresponding percentages of obese people in the same age classes in the USA. Introductory Statistics 2013-09-19T00:00:00Z “Because lake sturgeon take a long time to mature and then reproduce intermittently - every two to three years - we really need a robust population of varying size and age classes,” Hamel said. Prehistoric fish may spawn in Georgia: 1st time in 50 years 2022-08-17T04:00:00Z “Because lake sturgeon take a long time to mature and then reproduce intermittently — every two to three years — we really need a robust population of varying size and age classes,” Hamel said. Prehistoric fish may spawn in Georgia: 1st time in 50 years 2022-08-16T04:00:00Z Age structure is the proportion of a population in different age classes. Environmental Biology 2018-09-06T00:00:00Z The last column comes from a different study at the national level that shows the corresponding percentages of people with the disease in the same age classes in the United States. High School Statistics 2020-03-27T00:00:00Z The second column shows the percentage of obese people per age class among the study participants. Introductory Statistics 2013-09-19T00:00:00Z Those are typically clear-cut, then sprayed with pesticide, and another round of trees planted — all the same species and age class, on land from which the understory has been eliminated. Meet the eminent scientist, now 84, who vowed as a boy to protect Washington’s old-growth forests 2021-07-18T04:00:00Z “An ideal, healthy tree population has greater diversity of species and a more diverse age class distribution to allow for replacement as older trees die,” Liming wrote in an email. For a D.C. park to be reborn, 63 trees must die before others take their place 2020-08-07T04:00:00Z Oregon is home to more than 6,000 cougars of all age classes. Landowner shoots cougar that killed goats near The Dalles 2020-03-04T05:00:00Z Within that sample, the paleontologists estimate that the bonebed contains at least 22 individuals broken down into different age classes – 15 adults, one subadult, and six juveniles. Paleontologists Dig Into a Giant Sloth Boneyard 2020-01-19T05:00:00Z Derek Broman, a carnivore biologist with ODFW, said the agency has decades of data to back up its population modeling and is always careful to note that its numbers include all age classes. Cougar encounter renews debate about threats from animal 2019-09-21T04:00:00Z In case a former Bond girl didn’t redeem the whole age class, ordinary women offered themselves up for inspection. Opinion | The Revenge of the Middle-Aged Frenchwoman 2019-01-19T05:00:00Z She placed sixth in her weight and age class at a national meet in October. Mackenzie Andrews’ story impacts and inspires families, strangers and at least 1 university president 2018-12-20T05:00:00Z A brochure specifies that the population includes all age classes, but never offers adult numbers. Are Oregon’s cougars being overhunted? Experts disagree 2018-11-11T05:00:00Z In terms of forest health, the homogeneity of the age class of the trees allowed the spruce beetle to run rapidly along the Continental Divide. Monarch ski resort tackling spruce beetle infestation 2018-10-06T04:00:00Z “That’s one thing that was largely concerning — not only the volume, but the variety of age classes,” she said. Hundreds of Seals Are Dying on the New England Coast 2018-09-07T04:00:00Z Roberts isn’t positive what caused the proliferation of this particular age class of perch. Ice fishing for perch is hot at Holter Lake 2018-01-27T05:00:00Z Is that particular arrangement of horns supposed to attract mates, intimidate rivals, show membership in an age class, or all of the above? Dinosaurs of a Feather 2017-12-29T05:00:00Z By protecting more areas as no-fishing zones, you assure some portion of the senior age class is never in danger of being caught. We’re Killing the Oldest Fish in the Sea 2017-09-14T04:00:00Z “Our thinking is, because of the age of the animals — they were young animals — it’s likely that it was caused by a stampede, probably more likely than disease, given the age class,” Medeiros said. APNewsBreak: Stampede suspected in dozens of walrus deaths 2017-09-13T04:00:00Z “Biologists are going to find whole age classes of elephants are missing.” House of horrors: inside the US wildlife repository – photo essay 2017-07-20T04:00:00Z “It may be a flash in the pan,” Roberts said of the large age class of perch, “or there may be some sustainability to it.” Ice fishing for perch is hot at Holter Lake 2018-01-27T05:00:00Z First proposed in 2009, the project seeks greater resiliency to fire, insects and drought through diversifying age classes of trees. Lawsuit filed over Montana timber project 2017-04-14T04:00:00Z Other options they are considering include trying to learn the distribution of fish of different sizes, which will give them a feel for whether any particular age class is missing from the population. Biologists to measure impact of Yellowstone River fish kill 2016-10-01T04:00:00Z The age class of Northwest public companies may be a factor. NW CEOs enjoyed hefty increase in 2015 pay, outpacing national peers 2016-06-18T04:00:00Z Developments in homeownership among all age classes are important given the critical role housing plays in determining household wealth. Gains in the Senior Housing Market Are a Key Part of the Sector's Recovery 2014-11-18T05:00:00Z Heterogeneity in vegetation types, stand structures and successional age classes at all spatial scales and environmental settings is emerging as a strategy for enhancing ecosystem resilience to climate change. Learning to coexist with wildfire : Nature : Nature Publishing Group 2014-11-04T05:00:00Z “You have nice species diversity and different age classes and high abundance,” he said. Canvassing Central Park and Finding New Tenants 2013-08-28T02:47:19Z We maintain photos and drawings of each ear, the tusks and tail, as well as age class and overall appearance. Scientist at Work Blog: Life in the Elephant Tower 2012-07-19T22:09:07Z In particular, for the smallest age classes of turtles, there's very little information. Manicured turtles in science swim 2012-06-27T08:03:59Z She was by no means the ordinary fool of her age class and nation. Mrs. Balfame A Novel 2012-04-15T02:00:04.827Z Three age classes, juvenal, subadult and adult, were separated on the basis of condition of pelage. A Population Study of the Prairie Vole (Microtus ochrogaster) in Northeastern Kansas 2012-04-08T02:00:23.123Z The result is that collections made, as most of them are, in spring and summer, contain two age classes, first year and second year animals. Speciation of the Wandering Shrew 2011-12-22T03:00:30.143Z As size increases, determination of growth rate becomes more difficult because age classes overlap in size. Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia) 2011-12-17T03:00:17.963Z Third, there is no reason to believe that in our area rifle hunting is especially selective for any particular age classes. Ecological Studies of the Timber Wolf in Northeastern Minnesota 2011-10-03T02:00:28.037Z Although considerable variation in size is observable, little taxonomic use is made of size since sufficient series are not available to determine age classes. A Revision of Snakes of the Genus Conophis (Family Colubridae, from Middle America) 2011-09-25T02:00:14.967Z In the 1951-52 period, young of both age classes were relatively scarce and old adults made up an unusually high proportion of the population. Ecology of the Opossum on a Natural Area in Northeastern Kansas 2011-08-26T02:00:22.450Z These two age classes are readily separable on the basis of differences in the skull as well as on the decreased pubescence of the tail and the increased weight of second year animals. Speciation of the Wandering Shrew 2011-12-22T03:00:30.143Z Thus, it was possible when comparing different kinds of pocket gophers to use only one age class of one season of one sex. Subspeciation in Pocket Gophers of Kansas, [KU. Vol. 1 No. 11] 2011-07-09T02:00:11.847Z The three age classes are characterized in table 8. Natural History of the Prairie Vole (Mammalian Genus Microtus) [KU. Vol. 1 No. 7] 2011-06-01T02:00:28.617Z With reference to the history of these groups the record stands as follows:—In the Palæozoic age classes 3 and 4 culminated, and constituted the great mass of the arboreal vegetation. The Chain of Life in Geological Time A Sketch of the Origin and Succession of Animals and Plants 2011-06-01T02:00:24.880Z This is the age class that shows the best reproductive success and the best survival. Birds post 'no trespassing' signs 2011-01-21T01:57:23Z Separation of the two age classes in an August-taken series of Sorex vagrans from coastal Washington is shown in figure 3, in which two tooth-measurements that are dependent upon wear are plotted against one another. Speciation of the Wandering Shrew 2011-12-22T03:00:30.143Z In addition to shot placement, scores were calculated by age class, so shooting an older and warier doe earned more points than shooting a young, naïve buck. A Kind of Hunt That Even Deer Can Get Behind 2010-10-16T22:04:00Z To place a gravid female in its proper age class, the weight of the embryos was subtracted from the total weight, and the remaining weight was used as the body weight. Natural History of the Prairie Vole (Mammalian Genus Microtus) [KU. Vol. 1 No. 7] 2011-06-01T02:00:28.617Z Similarly, he said, “we could take out age classes of portions of the blue fin tuna, and again we may not see this for years to come.’ The Politics of Dispersants 2010-08-04T18:58:00Z If he can slow the game down, he’s going to be lights out — he’s head and shoulders from everyone in his age class with power and presence.” At 17, Baseball?s Next Sure Thing: Bryce Harper 2010-05-15T17:30:00Z In 1830 thirteen age classes were employed for free whites of each sex, and six for the free coloured and the slaves of each sex. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 6 "Celtes, Konrad" to "Ceramics" "The superiority of the diversified range of the strip mine herd was reflected in above average weights and measurements in most age classes." Northern Nut Growers Association Report of the Proceedings at the 43rd Annual Meeting Rockport, Indiana, August 25, 26 and 27, 1952 These trees show a rather wide range of age classes. Northern Nut Growers Association Report of the Proceedings at the Forty-Second Annual Meeting Urbana, Illinois, August 28, 29 and 30, 1951 The responsibility of securing "picked" members of teen age classes and workers to attend the Conference rests on the shoulders of this committee. The Boy and the Sunday School A Manual of Principle and Method for the Work of the Sunday School with Teen Age Boys After all, it's only this Lord Derby thing where they call the men up in age classes, the papers say. If Winter Comes Finally, the policies may be issued on the natural premium plan, by which the members of each age class pay exactly what the insurance costs for the year. Modern Economic Problems Economics Volume II A somewhat different and more interesting table is obtained when the correlation is made with the mortality at each age class: Birth Control A Statement of Christian Doctrine against the Neo-Malthusians Cattle have grazed this stand to the extent that it will be a long time before any other age classes develop to replace those you see in the picture. Northern Nut Growers Association Report of the Proceedings at the Forty-Second Annual Meeting Urbana, Illinois, August 28, 29 and 30, 1951 |
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