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1·This paper analyzes the admissible stresses used to calculate the diamter of axles according to torsional stress and resultant stress, and some suggestions are given.

对按扭矩估算轴径和按弯扭合成力矩计算转轴轴径公式中的许用应力进行了分析，给出了修正意见。

2·The block-structural plane model is used for constructing the statically admissible stress fields which satisfy the equilibrium conditions, boundary conditions and yield criteria.

根据下限定理，构造了满足完全平衡条件、边界条件和屈服条件的静力许可场；

3·The main reason of the main beam down deflection was that the most complex stress exceeded the admissible value and achieved the yield limit value.

主梁下挠变形的主要原因是受热引起的最大复合应力超过许用值，达到了屈服极限值，强度不满足要求。

4·But such stress tests are beatable and not admissible in court.

但是这样的压力测试并不可靠，而且在法庭上不允许使用。