- polar year
- 极年
English-Chinese geology dictionary (英汉地质大词典). 2013.
polar year
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International Polar Year — The International Polar Year (or IPY) is a collaborative, international effort researching the polar regions. Karl Weyprecht, an Austro Hungarian naval officer, motivated the endeavor, but died before it first occurred in 1882 1883. Fifty years… … Wikipedia
International polar year — Année polaire internationale Pour les articles homonymes, voir API et IPY. L Année polaire internationale (API en anglais, International Polar Year, IPY) est un évènement récurrent de collaboration internationale dans le domaine de l étude des… … Wikipédia en Français
Polar ecology — is the relationship between plants and animals in a polar environment. Polar environments are in the Arctic and Antarctic regions. Arctic regions are in the northern hemisphere, and it contains land and the islands that surround it. Antarctic is… … Wikipedia
Polar exploration — is the physical exploration of the Arctic and Antarctic regions of the Earth. It is also denotes the historical period during which mankind most intensely explored the regions north of the Arctic Circle and south of the Antarctic Circle.… … Wikipedia
Polar Claw — is a the name of a fictional character from the various Transformers universes.Beast WarsTransformers character name =Polar Claw caption = affiliation =Maximal subgroup =Mega Beasts function =Infantry Battle Commander rank =8 partner =Robotic Bat … Wikipedia
Polar Studios — is one of the most famous recording studios in Scandinavia. Originally located on 58 Sankt Eriksgatan in the Vasastaden district of Stockholm, Sweden, Polar Studios was founded by Björn Ulvaeus and Benny Andersson of ABBA in 1978 and had its… … Wikipedia
Polar Bear Club — Основная и … Википедия
Polar cyclone — Polar cyclones (also known as polar vortices , Arctic cyclones , and sub polar cyclones ) are vast areas of low pressure which strengthen in the winter and weaken in the summer.Halldór Björnsson. [http://andvari.vedur.is/… … Wikipedia
Polar (spacecraft) — Polar is a NASA satellite designed to study the Aurora. It is distinguished by its ability to image the Aurora in several wavelengths: visible light, ultraviolet (UV) light and X rays.It was launched on 24 February 1996 into a highly elliptical… … Wikipedia
Polar motion — is the movement of Earth s rotation axis across its surface. This is measured with respect to a reference frame in which the solid Earth is fixed (a so called Earth centered, Earth fixed or ECEF reference frame). This variation is only a few… … Wikipedia
Polar Bear Pass — is a 262,400 hectare wetland and mountain pass on Bathurst Island in Nunavut, Canada, and an International Biological Program site. It was designated a Ramsar site on May 24, 1982,Cite web url=http://www.mb.ec.gc.ca/nature/whp/ramsar/df02s02.en.ht… … Wikipedia
