In order to bring calculated results into agreement with experimental data, the real sonic line, instead of the plane sonic line, is taken as the initial base line of calculation.
为了使计算结果更符合实验数据，采用真实音速线而不是平面音速线作为计算的初始基准线。
The software has such functions. (1) inputing and editing initial data for plane truss analysis;
该系统有如下几方面的功能：（1）输入和编辑用于平面桁架结构分析的原始数据文件。
The software has such functions. (1) inputing and editing initial data for plane truss analysis;
该系统有如下几方面的功能：（1）输入和编辑用于平面桁架结构分析的原始数据文件。
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