Each mission had a satellite designed to photograph the surface of Mars from orbit, and to act as a communication relay for the Viking lander that each mission carried.
每次任务都发射一枚具备从火星轨道拍摄火星表面能力的人造卫星，同时充当与海盗登陆者进行联络的中间站。
The Viking lander missions showed the present surface environment of Mars to be unfavourable for life due to the absence of liquid water, intense UV radiation, and oxidizing soils.
维京登陆任务显示，由于没有水，强紫外辐射，氧化性的土壤，当前火星表面不适合生命生存。
Cameras strapped on either side of Viking 1's lander helped scientists calculate distances on the surprisingly Earthlike surface of the red planet.
捆在海盗1号另一边的相机帮助科学家来计算此红色行星上的地表距离。
Cameras strapped on either side of Viking 1's lander helped scientists calculate distances on the surprisingly Earthlike surface of the red planet.
捆在海盗1号另一边的相机帮助科学家来计算此红色行星上的地表距离。
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