椭圆孔口 meaning in English

elliptical orifice

Stress analysis in variation state at crack tip and notch crown tip
椭圆孔口端点和裂纹端点处的变动态应力分析
Stress analysis in variation states at crack tip and notch crown tip is presented
摘要分析了椭圆孔口端点和裂纹端点处的变动态应力。
In the study , an infinite plate with elliptic notch is subject to remote stresses at infinity
在分析中，设带椭圆孔口的无限平板受远处应力作用。