为了到达火星表面,NASA设想一种空气动力着陆器,用推进器帮助它下降。
其结果是,5米长的空气动力卫星配备了低功耗的离子推进器,以补偿大气阻力。
The result is the five metre long aerodynamic satellite equipped with low power ion thrusters to compensate for atmospheric drag.
其结果是,5米长的空气动力卫星配备了低功耗的离子推进器,以补偿大气阻力。
The result is the five metre long aerodynamic satellite equipped with low power ion thrusters to compensate for atmospheric drag.
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