从飞行条件转换到地面模拟条件，需考虑截断发动机的原则以及发动机的缩尺效应。
From the flight condition to the ground, it must obey the principles for the shorting and scaling model.
起旋室通气井通风系由旋流洞内表面轴向水流“挟带”空气而致空腔内气体压强减小进入，模型存在缩尺效应。
Ventilation of starting rotation device ventilation pipe is from Axial flow of swirl hole inner surface takes air leads to vacuum cavity, model existence of scale effect.
由于混凝土结构存在尺寸效应，混凝土缩尺模型与足尺模型的受力性能不尽一致。
Because of the size effect of concrete structure, the mechanical behavior of concrete scale model and full-scale model is not the same.
同时提出一种将结构构件的三维方向取不同缩尺比的方法来消除重力失真效应的影响。
Different similitude ratios are assigned to overall dimension and structural member's section dimensions respectively, so as to cancel the gravity distortion effect.
同时提出一种将结构构件的三维方向取不同缩尺比的方法来消除重力失真效应的影响。
Different similitude ratios are assigned to overall dimension and structural member's section dimensions respectively, so as to cancel the gravity distortion effect.
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