根据动态二维应力光性定律，得出了端部应力场分布的定性结论。
Some conclusions of the explosive stress field at the end are discussed according to the optical law of the dynamic two dimensional stress.
本文给出二维疲劳裂纹扩展门槛值分布函数，建立二维应力—门槛值干涉模型。
A distribution function of two dimensional threshold is given for fatigue crack propagation.
本文给出二维疲劳裂纹扩展门槛值分布函数，建立二维应力—门槛值干涉模型。
A distribution function of two dimensional threshold is given for fatigue crack propagation. A two dimensional stress threshold interference model is set up.
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