effective length

常见例句

Instead, external circuitry is used to change its effective length.
而是通过外部电路来计算其有效长度。
This paper offers a simple method for computing the effective length of two-stepped columns.
本文提供一个解算双阶柱计算长度的简捷计算法。
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.
门式刚架的中柱设计中，常因为平面外计算长度较大，所选实腹式截面无法满足平面外稳定验算，从而导致用钢量增加。

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