Objective To invastigat the use of laparoscopic appendicectomy by three hole method.
目的探讨三孔法腹腔镜阑尾切除术的应用。
In this paper, the interlaminar stress distributions of symmetric composite laminates with a hole are predicted by the three-dimensional elastoplastic finite element method.
本文用三维弹塑性有限元法计算了含圆孔对称复合材料层板的层间应力分布。
This paper introduces the programming method for machining equal length three are hole on numerical control wire-machine tool by 3B format.
介绍了在数控线切割机床上加工等距型三弧孔的3B格式编程方法。
Objective: to evaluate the value of three-hole method in laparoscopic cholecystectomy.
目的：探讨三孔法腹腔镜胆囊切除术的应用条件及价值。
The boundary element method is used to analyze the influence of pin con - tact Angle and pin-hole radius on the potential function of compact tensile specimen under three current input types.
本文用边界元法对销钉接触角及销钉孔半径对三种电流输入方式下紧凑拉伸试样的电位函数影响进行了分析。
Three dimensional finite element computing model is established and the effect of stemming length to deep hole bench blasting is studied by three dimensional finite element method.
采用三维有限元数值分析法，通过建立三维有限元计算模型，分析堵塞长度对堵塞区有效应力场的影响。
Based on the features of the three-dimensional crack, an experimental method was presented to measure the near-threshold fatigue crack growth rate and threshold of the corner crack at a hole.
基于三维裂纹特征，本文提出了一种测量孔边角裂纹近门槛区疲劳裂纹扩展速率及门槛值的实验方法。
Based on the features of the three-dimensional crack, an experimental method was presented to measure the near-threshold fatigue crack growth rate and threshold of the corner crack at a hole.
基于三维裂纹特征，本文提出了一种测量孔边角裂纹近门槛区疲劳裂纹扩展速率及门槛值的实验方法。
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