Torque is the measure of a twisting or rotating force that can move something, like a wheel, around an axis.
The pre-solicitation released this week is not a request for proposals from industry—it states that a draft Request for Proposals is forthcoming. Rather, it seeks feedback from industry and interested stakeholders about an "objectives and requirements" document that outlines the goals of the Mars mission.
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11月22日，板厂小学与汇文实验小学朝阳学校第十四届“智慧杯”科技节开幕。新京报记者 李木易 摄
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