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polar route

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polar route

polar-英汉词典... ... polar resisting moment 极阻力矩 polar route {n.}极地航线 polar satellite {n.}绕两极运转的卫星 ...

【明报专讯】并非只有行走「跨极航路」（Polar route）的航机，才会受宇宙辐射影响，所有在天空飞行的航机都会经历太空辐 …

Airline crew flying the New York -Tokyo polar route are exposed to 9 mSv a year .