Lockheed Martin engineers work on the second Space Based Infrared System (SBIRS) geosynchronous orbit (GEO-2) spacecraft at Lockheed Martin's facilities in Sunnyvale, Calif.

洛克希德马丁公司的工程师们第二个天基红外系统（SBIRS- 2）地球同步轨道卫星（全球环境展望2）的工作。

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The traditional fire alarming system is usually based on infrared sensor and smog sensor, but if it is in big space, the lost rate is high.

传统的火灾报警系统一般基于红外传感器和烟雾传感器，但在大空间场合的火灾报警中失败率较高。

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Optical probe based on infrared LED, used as the object of imaging of the large-space 3d vision measurement system, is also one of key factors that affect the accuracy of the system.

基于红外led的光学测棒是大空间三维视觉测量系统的成像目标，也是影响系统测量精度的关键因素之一。

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