planetary mission 中文意思是什麼
planetary mission
解釋
向行星飛行任務-
The black - and - white photos, taken by three cameras, show deep channels and layered surface debris around the planet ' s midsection, features that probably were formed by water, said alfred mcewen, a mission scientist and university of arizona professor of planetary science. the images were taken from an altitude of 1, 547 miles above the surface, about three times higher than the orbiter will be when it formally begins its science mission in november
據路透社3月24報道，參與此項任務的亞利桑那大學行星學教授艾爾佛雷德麥克尤恩說，這批黑白照片是由火星偵察軌道器mro上的3臺照相機拍攝的，照片顯示，火星中部地區分佈有深溝和層狀表面的巖屑，這些地貌有可能是水的運動造成的。 -
On the basis of recommendations from the national research council ' s space studies board, the mission has been given a planetary protection designation of " unrestricted " earth return
根據（美國）國家研究委員會太空研究分委會的建議，對此任務的行星保護級別被指定為「無限制地球返回」 。
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