https://en.wikipedia.org/wiki/Polar_regions_of_Earth3840.150.9418.331yes1019386121100en.wikipedia.org http://arctic-news.blogspot.com/p/posts.html3720.150.9417.391yes1463599599611arctic-news.blogspot.com http://nora.nerc.ac.uk/view/programme/PSPE5.html3280.21126.871yes402334143100nora.nerc.ac.uk ...
Area relating to the earth's poles or the area inside the Arctic or Antarctic Circles. [..] + 添加翻译 英文-中文字典 极地 noun We great polar bears are right at home in the watery polar regions of the northern hemisphere. 我们北极大熊以北半球的多水极地为家。 GlosbeMT_RnD 極地...
Imkede Pater,William S.Kurth, inEncyclopedia of the Solar System (Third Edition), 2014 3.3Earth 7 9 W. The intensity is highly correlated with geomagnetic substorms, thus it is indirectly modulated by the solar wind. It originates in the nightside auroral regions and in the daysidepolar cusp...
Figure 1. Re-jigging of polar bear subpopulations now splits what used to bean entirelya Canadian research segment, called the “Eastern Beaufort” (map on the left, from Stirling and Lunn 1997), into management regions called “Southern Beaufort” (shared with the USA) and “Northern Beaufort...
of the pizzly bear’s existence but also for raising questions about the instinctive reactions humans have toward unfamiliar animals. The hunter’s decision to kill the hybrid underscores the challenges of wildlife management in regions where encounters with different bear species are increasingly common...
Southern Hudson Bay (SH) bears live in the Canadian provinces of Ontario, while Western Hudson Bay (WH) bears reside in Manitoba and Nunavut. The two groups mix over the winter but appear to spend the summer/fall in their respective regions (Stirling et al. 2004). [See previous posts on...
LASER-wikipedia2 Alpha-HCH also tends to associate with soils and sediments because of its low polarity. 由于极性低,α-六氯环己烷往往会与土壤和沉积物缔合。 UN-2 Launch of an Earth observation satellite into low polar orbit; 将一个地球观测卫星送入低极地轨道; UN-2 Alpha-HCH also ...
Also found in: Thesaurus, Encyclopedia, Wikipedia. ThesaurusAntonymsRelated WordsSynonymsLegend: Switch to new thesaurus Noun 1. polar region - the part of the Earth's surface forming a cap over a pole; characterized by frigid climate Frigid Zone, polar zone climatic zone - any of the ...
1.(Physical Geography) situated at or near, coming from, or relating to either of the earth's poles or the area inside the Arctic or Antarctic Circles:polar regions. 2.(General Physics) having or relating to a pole or poles 3.pivotal or guiding in the manner of the Pole Star ...
Watson has recently remarked, 'In receding from polar towards equatorial latitudes, the Alpine or mountain floras really become less and less arctic.' Many of the forms living on the mountains of the warmer regions of the earth and in the southern hemisphere are of doubtful value, being ranked...