The properties, development, production and process of molding FRP well lids and waterspout lids are introduced systematically.
本文较为系统地介绍了模压玻璃钢井盖、水算的特性，发展前景及生产成型工艺。
The main technologies it involves including TV video image imitate; exterior ballistic simulation, waterspout coordinate processing; range bearing spotting imitate and real-time calculating.
其主要技术的应用涉及电视视频图象模拟技术、外弹道仿真及水柱坐标处理技术、距离方位法校射模拟技术及计算处理实时性技术。
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