金属鞋带眼，能最有效地扎牢鞋带和均匀分布压力。
Metal lacing eyelets for optimum fastening and pressure distribution.
对含中心裂纹的无限大板在裂纹表面受均匀分布压力作用的情况，导出了几何非线性弹性断裂力学的能量释放率的一个精确表达式。
An exact expression of energy release rate for geometrical nonlinear elastic fracture mechanics is obtained for an infinite plate with central crack under uniform stress normal to crack surfaces.
压力必须均匀分布于整个表面。
Pressure must be uniformly distributed over the whole surface.
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