您要查找的是不是：
- This switch can survey from moves human body's infrared radiation, so long as the human body enters the search coverage, the switch will open automatically. 本开关能探测来自移动人体的红外辐射，只要人体进入探测区域，开关会自动开启。
- Data processing system is the key of phased array radar search and multi-target tracking, and the tracking filter algorithm will directly determine the merits of the system's performance. 摘要数据处理系统是相控阵雷达实现搜索和对多目标精确跟踪的关键部分，目标跟踪滤波算法的优劣将直接决定系统的性能。
- Numerous of coordinates were involved in radar searching and tracking duc to the radar systems and installation modes. 摘要雷达对目标进行搜索和跟踪时，由于雷达的体制、安装方式（运载体还是地面固定位置）、工作方式等的不同，涉及到许多坐标系。
- Fixed Pulse Radar Search Equipment 固定脉冲雷达搜索设备
- The application of CD ROM retrieval in journal information service bears such advantages as high efficiency in terms of searching rate, extensive comprehensiveness in terms of searching coverage and high accuracy in terms of searching results. 应用光盘数据库技术检索期刊文献， 具有检索效率高、文献查全率、检准率高等优点。
- There might be no radar coverage. 可能没有雷达覆盖。
- They picked up the yacht on their radar screen. 他们在雷达屏上看到了那艘游艇。
- The radar scanned the sky for enemy planes. 雷达密切监视天空，搜索敌机。
- The watchtower followed the aircraft by radar. 瞭望塔通过雷达追踪这架飞机的行踪。
- I want to search out an old school friend. 我想寻找我的一个老同学。
- Enemy ships were detected on the radar screen. 敌舰的影像已显现在雷达(屏幕)上。
- The signal was picked up by a downrange radar station. 该信号被试验飞行方向之内的雷达站收到了。
- A gunboat was detected by the radar. 雷达探测出一炮艇。
- Enemy aircraft were detected by our radar. 敌机被我方雷达发现。
- The search party spread out over the moor. 搜索队在荒草地分散行动。
- The ship was provided with radar equipment. 那船装有雷达设备。
- He go in search of a doctor for his sick wife. 他去为他生病的妻子找医生。
- There are enemy aircraft on the radar screen. 雷达萤屏上出现了敌人的飞机。
- Our radar pinpointed the attacking planes. 我们的雷达确定了来袭敌机的精确方位。
- We sent out planes to gather intelligence on their radar coverage. 我们派飞机去搜集雷达侦测范围内的情报。
