... beam deviation loss ==> 波束偏移损耗 beam diaphragm ==> 束光阑 beam directional stability ==> 光束方向稳定性 ...
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The program system DDDU for actual design of engineering structures composed of bar, diaphragm, beam, shell, etc. is introduced.
本文介绍了对由杆、膜、梁、板壳单元组成的工程结构可进行实际设计的程序系统DDDU。
Diaphragm beam is the important part of a bridge, which makes the vertical beam and cross beam work together.
其分析主要包括：箱梁顶板的横向受力分析以及箱内横隔梁的横向受力分析。
The primary of the analysis include the lateral force in the top deck of box girder and the lateral force of the diaphragm beam on the pier.
其分析主要包括：箱梁顶板的横向受力分析以及箱内横隔梁的横向受力分析。
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