3.9万米高空是什么概念?超过地球表面了么?就跳伞那人!他都超音速了,那么他的心跳会达到多少下每分钟?风打在脸上会不会很疼?呼吸会不会很困难?背氧气瓶跳么?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/19 01:51:57
![3.9万米高空是什么概念?超过地球表面了么?就跳伞那人!他都超音速了,那么他的心跳会达到多少下每分钟?风打在脸上会不会很疼?呼吸会不会很困难?背氧气瓶跳么?](/uploads/image/z/10197947-11-7.jpg?t=3.9%E4%B8%87%E7%B1%B3%E9%AB%98%E7%A9%BA%E6%98%AF%E4%BB%80%E4%B9%88%E6%A6%82%E5%BF%B5%3F%E8%B6%85%E8%BF%87%E5%9C%B0%E7%90%83%E8%A1%A8%E9%9D%A2%E4%BA%86%E4%B9%88%3F%E5%B0%B1%E8%B7%B3%E4%BC%9E%E9%82%A3%E4%BA%BA%21%E4%BB%96%E9%83%BD%E8%B6%85%E9%9F%B3%E9%80%9F%E4%BA%86%2C%E9%82%A3%E4%B9%88%E4%BB%96%E7%9A%84%E5%BF%83%E8%B7%B3%E4%BC%9A%E8%BE%BE%E5%88%B0%E5%A4%9A%E5%B0%91%E4%B8%8B%E6%AF%8F%E5%88%86%E9%92%9F%3F%E9%A3%8E%E6%89%93%E5%9C%A8%E8%84%B8%E4%B8%8A%E4%BC%9A%E4%B8%8D%E4%BC%9A%E5%BE%88%E7%96%BC%3F%E5%91%BC%E5%90%B8%E4%BC%9A%E4%B8%8D%E4%BC%9A%E5%BE%88%E5%9B%B0%E9%9A%BE%3F%E8%83%8C%E6%B0%A7%E6%B0%94%E7%93%B6%E8%B7%B3%E4%B9%88%EF%BC%9F)
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