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 engine began to act up and he thought he would have to hit the silk.
引擎开始失灵，他心想非要跳伞降落不可。
To descend by means of a parachute.
跳伞，伞降用降落伞下降
A parachute, such as one for pilots or skydivers.
降落伞飞行员或跳伞者的降落伞
The paratrooper opened the parachute in mid air after he had jumped out of the plane.
伞兵在跳下飞机后, 在半空中打开了降落伞。
The parachutist floated gently down to earth.
跳伞者轻飘飘地降落到地上.
a person who jumps from aircraft using a parachute.
用降落伞从飞机上跳下来的人。
The airman boldly jump from the airplane with his parachute
飞行员带著降落伞勇敢地跳下飞机
The airman boldly jumped from the airplane with his parachute.
飞行员带着降落伞勇敢地跳下飞机。
a cord attached the pack of a parachute to an aircraft to open the parachute after the jumper is clear of the plane.
把降落伞绑在飞机上的当跳伞员跳离飞机时打开降落伞的一种绳索。
A parachute enables you to jump from an aircraft and float to the ground.
降落伞可以使你从飞机上跳下后飘落到地面。
The sky diver had a plunge of more than 10, 000 feet before his parachute opened.
那个跳伞运动员坠落了一万多英尺, 他的降落伞才打开。
When learning howto parachute, it's absolutely essential not to jump the gun and open the parachute too soon after jumping out of the plane.
在学习如何跳降落伞时，绝对不能在跳离飞机时就匆忙地打开降落伞。
The pilot quickly grabbed a chute and jumped out of the plane
飞行员迅速抓住一个降落伞跳出了飞机
The pilot quickly grabs a chute and jump out of the plane.
飞行员迅速抓住一个降落伞跳出了飞机。
The pilot jumped out with a pack of parachute first.
驾驶员背上一个降落伞包先跳出了机舱。
parachute back pack
降落伞之后挂包、主伞包
parachute front pack
降落伞之前挂包、副伞包
To deliver by parachute.
伞投，空投用降落伞投放
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