effective length

常見例句

Instead, external circuitry is used to change its effective length.
而是通過外部電路來計算其有效長度。
This paper offers a simple method for computing the effective length of two-stepped columns.
本文提供一個解算雙階柱計算長度的簡捷計算法。
In the mid-column design of gabled frames, the selected solid web section, isn t satisfied by in-plane stability checking because of the biggish out-plane effective length.
門式剛架的中柱設(shè)計中，常因為平面外計算長度較大，所選實腹式截面無法滿足平面外穩(wěn)定驗算，從而導(dǎo)致用鋼量增加。

Even if experimenters bounce the beams to and fro to increase the effective length of an interferometer's arms to more than 100 kilometres, the expected difference in length between the two beams' paths still amounts to less than a hundred-millionth of the diameter of a hydrogen atom.
ECONOMIST: Fundamental physics
When you get over three to five feet, some of the smaller skimmers -- say, 30, 40 feet in length -- have a very difficult time operating and being effective.
WHITEHOUSE: Press Briefing