试件初始缺陷尺寸对疲劳寿命的影响，可用垂直于载荷方向缺陷截面积的四次方根来表达。

The effect of original defect size on the fatigue life can be described with the fourth root of the defect area perpendicular to the loading direction.

youdao

你能做这个数学题吗？一百得四次方，一百开立方根是多少？

Can you do the math: What is one hundred times four, divided by the square root of a hundred?

youdao

你能做这个数学题吗？一百得四次方，一百开立方根是多少？

Can you do the math: What is one hundred times four, divided by the square root of a hundred?

youdao