歐巴馬 真是太酷了
DRS Technologies - Official Site這個太厲害了! June 9, 2015 DRS Technologies Accredits “Powered by DRS” to Liteye Systems’ New UAV Thermal Payload Read More April 21, 2015 DRS Successfully Demonstrates the First 10-Micron High Performance Infrared Sensors Read More April 15, 2015 DRS ......
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