“如果你把一个气球吹起来以后，再拉长气球的脖子，就可以操纵音调，”威尔逊说。
"If you take a balloon and blow it up, you can manipulate the pitch by pulling the neck," Wilson says.
Skylifter计划使用若干这种驱动器来控制飞船的水平运动，同时也辅助安装在气球内部的浮力控制系统操纵飞艇的升降。
Skylifter plans to use several such drives to control the craft’s horizontal motion, and also to aid a buoyancy-control system within the envelope in moving the vehicle up and down.
随着它的移动，鼠标要通过操纵滚动条对其进行捕捉，最终气球与“HP”重和。
As it moves, the mouse is used to capture its scroll bar, finally, the balloon And "HP"conincide.
无人驾驶自由气球，是指无动力驱动、无人操纵、轻于空气、总质量大于4千克自由漂移的充气物体。
An unmanned free balloon shall refer to a freely drifting inflatable object which is driven with no power, is piloted by nobody, is lighter than air, and whose gross mass is more than 4 kilograms.
无人驾驶自由气球，是指无动力驱动、无人操纵、轻于空气、总质量大于4千克自由漂移的充气物体。
An unmanned free balloon shall refer to a freely drifting inflatable object which is driven with no power, is piloted by nobody, is lighter than air, and whose gross mass is more than 4 kilograms.
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