This paper introduces a research result on the stress intensity factors of crackles on single side of revolving square sample with the stress freezing in three-dimensional photoelasticity.

本文介绍了采用三维光弹性应力冻结法，对旋转正方形试样半边裂纹应力强度因子进行研究的成果。

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After days on the Internet and hours reaching out to reconstructive specialists in the United States, Pippi's mother discovered a company in Boston called Genzyme whose specialty is growing layers of human skin by cloning a 2-square-centimeter sample from a patient.

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