The standard of length in France is the metre. 法国的标准长度是米。
The nominal length on felting needles is expressed in inches and measures the distance from inside the crank to the point. 刺针和标准长度是从针尖至弯柄内侧的距离用英寸表示。
There is a fixed relationship between the gauge length and the cross-sectional area of the test-piece at the reduced diameter. 标距长度和试样在直径减少处的横截面面积之间有固定的关系。
Meanwhile, the formulas for the brace threshold stiffness and the effective length factor under these conditions are also given. 同时给出了在此种条件下的阈值刚度和柱子的计算长度系数的表达形式。
