The unknown parameter of the equation is fixed by stress relaxation test and parameter identification technology.
本构方程中的未知参数由应力松弛试验和参数识别技术来确定。
The relaxation test machine includes one deformation measurer set on the test sample to measure the length change of the test sample.
本发明公开了一种松弛试验机，本发明包括有设置在试样上的测量试样长度变形量的变形测量装置。
When performing a stress-relaxation test of soft tissues, a small preload is usually applied to the specimen to remove slack, and this preload is generally be neglected.
对软组织进行应力松弛试验时可给样本施加一个小的预加力来去除样本的松弛，该预加力通常被忽略。
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