He had a three-brush motor, with dynamic brake and intermittent on one speed only—his system was a concatenation of a lot of different ideas.
迪肯说，“他有一个三刷马达，配有动态制动和以均速间歇——他的系统将不同想法综合串联在了一起。
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But the satellites will arrive with less relative speed than spacecraft making the trip in three days, which means less fuel will be needed to brake and drop into lunar orbit.
These devices tell the airbags when to deploy, but they also record the car's speed, whether the brake or gas pedal was engaged, and if seat belts were fastened.