The standard of length in France is the metre. 法國的標準長度是米。
The nominal length on felting needles is expressed in inches and measures the distance from inside the crank to the point. 刺針和標準長度是從針尖至彎柄內側的距離用英寸表示。
There is a fixed relationship between the gauge length and the cross-sectional area of the test-piece at the reduced diameter. 標距長度和試樣在直徑減少處的橫截面面積之間有固定的關係。
Meanwhile, the formulas for the brace threshold stiffness and the effective length factor under these conditions are also given. 同時給出了在此種條件下的閾值剛度和柱子的計算長度係數的表達形式。
