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单词 polar circle
例句 polar circle
“We basically achieved everything we set out to do,” the expedition’s leader, Markus Rex, told The Associated Press by satellite phone as it left the polar circle last week. Scientists return from Arctic with wealth of climate data 2020-10-12T04:00:00Z
If near the equator an instrument gives the latitude of the polar circle, it is a proof that it is not working rightly. The Expositor's Bible: The First Book of Samuel 2012-04-08T02:00:20.427Z
The small circle E F, which surrounds the north pole, is called the arctic circle; that G H, which surrounds the south pole, the antarctic circle; these are also called polar circles. Conversations on Natural Philosophy, in which the Elements of that Science are Familiarly Explained 2011-07-12T02:00:28.027Z
The diagram shows that the maximum temperature of no place upon the Earth’s surface approaches the boiling-point of water, and that it is only within the polar circle that the mean temperature is below freezing-point. Are the Planets Inhabited? 2011-04-24T02:00:07.733Z
The regions between the tropics and the polar circles are respectively the north and south temperate zones. The New Gresham Encyclopedia Volume 4, Part 1: Deposition to Eberswalde 2011-04-14T02:00:57.977Z
It is well known that, at this period, a flight of philosophers were upon their return from the polar circle, where they had been making observations, for which nobody has hitherto been the wiser. Voltaire's Romances, Complete in One Volume 2011-03-20T02:00:21.247Z
However, the greatest part of this southern continent, if it actually exists, must lie within the polar circle, where the sea is so encumbered with ice, that the land is rendered inaccessible. Narrative of the Voyages Round the World, Performed by Captain James Cook : with an Account of His Life During the Previous and Intervening Periods 2011-01-12T03:00:35.190Z
There are two circles, intermediate between the polar circles and the equator; that to the north I K, called the tropic of Cancer; that to the south, L M, called the tropic of Capricorn. Conversations on Natural Philosophy, in which the Elements of that Science are Familiarly Explained 2011-07-12T02:00:28.027Z
This and its opposite, the Antarctic, are called the two polar circles. The New Gresham Encyclopedia. Vol. 1 Part 2 Amiel to Atrauli
In this connection the vegetation of former periods presents the curious phenomenon of plants allied to those now growing beneath the tropics flourishing within the polar circles. The Origin of the World According to Revelation and Science
This was Mrs. Robert E. Peary, who accompanied her husband on one of his North Pole explorations and had a daughter born within the polar circle—"The snow baby," as she was called. The Story of Chautauqua
The extraordinary thing about the paintings is, of course, their revelation of the colors of the frozen world of the polar circle. McClure's Magazine, Vol. XXXI, No. 4, August 1908
Towards the poles there is no obvious limit to the temperate zones, for the prevailing westerlies extend beyond the polar circles. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 "Clervaux" to "Cockade"
Owing to this gradual adaptation of the system to different temperatures, we can bear a greater degree of heat in the summer between the tropics, than in the winter under the polar circles. A Treatise on Anatomy, Physiology, and Hygiene (Revised Edition)
Here the continent again turns at right angles, and continues northeast into the northern polar circle. Kathay: A Cruise in the China Seas
The object of Columbus in making these long voyages to the equator and into the polar circle was, as he tells us, to gather observations upon climate. The Discovery of America Vol. 1 (of 2) with some account of Ancient America and the Spanish Conquest
Before us was the Hestmand, or Horseman, who bridles his rocky steed with the polar circle. Northern Travel Summer and Winter Pictures of Sweden, Denmark and Lapland
These glacial zones are limited by the polar circles. Astronomy for Amateurs
The frigid zones, between the polar circles and the poles, were considered uninhabitable and unnavigable, on account of the extreme cold. The Conquest of Canada (Vol. 1 of 2)
Linnæus ranges plants geographically; palms inhabit the tropics, grasses the temperate zones, and mosses and lichens the polar circles; no doubt animals may be classed in the same manner with propriety. The Natural History of Selborne, Vol. 1
When the French government sent Maupertuis within the polar circle, to ascertain the exact figure of the earth, it was George Graham, Clock-maker of Fleet Street, who supplied the requisite instruments. Captains of Industry or, Men of Business Who Did Something Besides Making Money
They tell me that such tree-lings do really grow, away up, on high mountains, near where the snow stays all the year through, and also in very cold countries near the polar circles. St. Nicholas, Vol. 5, No. 4, February 1878
Ptolemy supposes this to have been the Thule of Pytheas, Pliny places it within three degrees of the pole, Eratosthenes under the polar circle. A General History and Collection of Voyages and Travels - Volume 18 Historical Sketch of the Progress of Discovery, Navigation, and Commerce, from the Earliest Records to the Beginning of the Nineteenth Century, By William Stevenson
I have before remarked that all the water which we made use of while within the polar circle was procured from snow either naturally or artificially dissolved. Three Voyages for the Discovery of a Northwest Passage from the Atlantic to the Pacific, and Narrative of an Attempt to Reach the North Pole, Volume 1
The memory of these Arctic fleets that seemed to descend from the polar circle left deep impression of terror on the Imperial city. History of the Decline and Fall of the Roman Empire — Volume 5
He showed me also, in one of his books, the figures of the sun, moon, and stars, the zodiac, the tropics, and polar circles, together with the denominations of many plains and solids.  Gulliver's Travels
I do hope the words "polar circles" will bring clear ideas to you, my dears. St. Nicholas, Vol. 5, No. 4, February 1878
The polar circle was soon passed, and the course shaped for Cape Horn. Twenty Thousand Leagues under the Sea
It is no mere accident that all civilisation began and first flourished exclusively in that zone which is equally removed from the equator and from the polar circle. Freeland A Social Anticipation
But there would seem to be an officina aeris, a shop where air is both manufactured and destroyed in the greatest abundance within the polar circles, as will hereafter be spoken of. The Botanic Garden A Poem in Two Parts. Part 1: the Economy of Vegetation
This places the tropics the same distance each side of the equator, and the polar circles the same distance from the poles. Scientific American, Volume 22, No. 1, January 1, 1870 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures.
The principal one extends from the equator to high middle latitudes and partly overlies the other, which extends from the tropical calms to the polar circles. The Atlantic Monthly, Volume 01, No. 03, January, 1858
About eight o'clock on the morning of the 16th of March the Nautilus, following the fifty-fifth meridian, cut the Antarctic polar circle. Twenty Thousand Leagues under the Sea
The polar circles and the tropics mark these divisions. The Life and Voyages of Christopher Columbus (Volume II)
It is absorbed at the polar circle; hence south-west winds and rain; south-west sometimes cold. The Botanic Garden A Poem in Two Parts. Part 1: the Economy of Vegetation
From north to south, from the polar circle to the Straits of Magellan, we see in succession: Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 3
In the North the extremity of the new axis will be situated between Greenland and Grinnelland, exactly on that part of Baffin’s Sea where it cuts the Arctic polar circle. Topsy-Turvy
There is a railway running as far north as the 67th parallel of latitude, about fifty miles beyond the polar circle into Lapland, to the famous mines of Malmberget, with a branch to Trondhjem, Norway. Norwegian Life
We cannot delay in these waters, and, after all, the one thing of real importance to us is to get out of the polar circle before the winter makes it impassable.” An Antarctic Mystery
The whole atmosphere increased in quantity by air set at liberty from its combinations in the polar circles. The Botanic Garden A Poem in Two Parts. Part 1: the Economy of Vegetation
Bailly argued that the bishop could not mean what these words seemed to imply, as the logical conclusion would be to wait till Canada was cleared right up to the polar circle. The Father of British Canada: a Chronicle of Carleton
They could also plead the geographical situation of their country, which develops itself below the polar circle from the Behring Sea to Hudson’s Bay. Topsy-Turvy
In the spaces between the polar circles the quantities of the continuous day and continuous night vary in accordance with the distance from the pole. A Strange Manuscript Found in a Copper Cylinder
No, not quite, Mr. Glass, but, during her voyage, the schooner, it seems, did clear the polar circle, and pass the ice-wall. An Antarctic Mystery
When they go to each other's tupics or igloos to make calls, instead of taking their knitting, the belles of the polar circle take their chewing. Schwatka's Search
Then a second circular furrow appears, parallel to the first, and nearer to the north pole, so that we may compare it to the north polar circle. The Evolution of Man — Volume 1
And the "Albatross" emerged from the polar circle on the hundred and seventy-fifth meridian. Robur the Conqueror
He himself came to dine with us, and to be present at the ceremony of crossing the polar circle. Letters from High Latitudes
But, beyond the polar circle, above the austral icebergs, it is quite another thing, and, if the author’s work be not one of pure imagination, I am—well, of any other nationality than my own. An Antarctic Mystery
The Pacific Ocean extends north to south between the two polar circles and east to west between America and Asia over an expanse of 145° of longitude. Twenty Thousand Leagues Under the Sea
Linnaeus ranges plants geographically; palms inhabit the tropics, grasses the temperate zones, and mosses and lichens the polar circles; no doubt animals may be classed in the same manner with propriety. The Natural History of Selborne
The climate is not so bad as might be expected, seeing that the island touches the polar circle, the mean temperature at Reykjavik being 39 degrees. The Story of the Volsungs, (Volsunga Saga) With Excerpts from the Poetic Edda
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