Cerebral hemorrhage model has been built for about 40 years, in which the method of establishing model and study direction have been changed greatly till now.
脑出血模型自建立至今已有近40年时间，模型制作方法及研究方向均有巨大的变化。
By using the method of establishing model through vibration test, this paper discusses the rotatory shell's dry-humid mode parameters and its non-linear vibration properties.
本文用振动试验建模的方法来探索旋转壳体的干、湿模态参数及其非线性振动特性。
The method of establishing model in the finite element calculation can be used to the engineering calculation of machine foundations and carrying out the theoretical research.
有限元计算中提出的建模方法可以运用于机器基础的工程计算，也可运用于理论研究。
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