z***t
发帖数: 10817 | 1 【 以下文字转载自 Chicago 讨论区 】
发信人: zlltt (人生苦短抓紧性感), 信区: Chicago
标 题: Re: Air and Water Show takes flight again as storms move on
发信站: BBS 未名空间站 (Sat Aug 20 19:03:47 2011, 美东)
酷啊 传说中的突破音障 | s****i
发帖数: 2993 | 2 nothing to do with sound barrier.
it's related to airplane shape, air temperature,
humidity, and of course, speed. the speed is often much less than sound, as
many jumbo passenger planes have this. |
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