polar navigation

英 [ˈpəʊlə(r) ˌnævɪˈɡeɪʃn]

美 [ˈpoʊlər ˌnævɪˈɡeɪʃn]

网络极区航行; 极地导航; 极区航海

A reversal could knock out power grids, hurt astronauts and satellites, widen atmospheric ozone holes, send polar auroras flashing to the equator and confuse birds, fish and migratory animals that rely on the steadiness of the magnetic field as a navigation aid.
逆转会破坏能量网格，损害宇航员和卫星，加大臭氧层空洞，发送极光到赤道而搞乱鸟类，鱼和迁徙动物，它们依靠磁场的稳定性作为导航帮助。
As climate change triggers melting of the polar ice-caps, leading world powers have an unprecedented chance to win navigation rights and ownership of resources in the Arctic seabed untouched since its emergence during the twilight of the dinosaurs.
当气候变化触发北极冰盖消融的时候，世界强国看到了前所未有的机遇，争夺航行权和北冰洋海床上自恐龙时期便已完好保存至今的自然资源。
Celestial Navigation in Polar Regions The new method for calculating the problems of celestial navigation with GPS receiver and its position
极区航行天文定位的方法利用GPS船位解算天文航海的有关问题