Winter2000 发表于 2015-2-25 20:10:11

Heat ray

The U.S. military is developing a real-life heat ray. It's invisible, it's silent, but it's not deadly.
attach://345865.swf

机械小夏 发表于 2015-5-7 14:38:30

看不懂，求赐教

独松野鹤 发表于 2016-4-4 08:51:31

机械小夏 发表于 2015-5-7 14:38 static/image/common/back.gif
看不懂，求赐教

美军研制的无声隐形热射线系统，只是让人感到热源而逃离，不致命。
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