Using assembled unit of prism and lens, the laser beam from firing channel is focalized and imaged.
采用棱镜透镜组合装置把出射激光束经发射通道聚焦成像，根据光斑半径测量束散角。
The top chord components of beam string structure are fabricated in factory and assembled on site.
该张弦梁上弦构件在工厂分段制作，现场拼装。
The mixed structure with cable-truss-beam-membrane is the structure system assembled by cable, truss, beam and membrane.
所谓索杆梁膜混合结构指的是由拉索、压杆和梁柱支撑与张拉膜共同组成的受力体系。
The mixed structure with cable-truss-beam-membrane is the structure system assembled by cable, truss, beam and membrane.
所谓索杆梁膜混合结构指的是由拉索、压杆和梁柱支撑与张拉膜共同组成的受力体系。
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