It would need to deploy a parachute, descend through the clouds and transmit a GPS coordinate to a cell phone tower.
它需要打开降落伞穿过云层下降，把GPS坐标发射到手机基站。
Falling too slowly-if you have made the mistake of leaping from something near the ground, like a church tower-could be fatal, too, as the parachute may fail to open fully.
假如你离地面太近地方起跳比如- - -教堂顶同样是致命的错误，因为你的降落伞很可能不完全打开。
The problems of a parachute jump, parachuting from tower and from a great height are analyzed by Newton's mechanical principles.
用牛顿力学原理分析了跳伞降落、跳伞塔跳伞和高空跳伞的问题。
The problems of a parachute jump, parachuting from tower and from a great height are analyzed by Newton's mechanical principles.
用牛顿力学原理分析了跳伞降落、跳伞塔跳伞和高空跳伞的问题。
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