effective length

常見例句

Instead, external circuitry is used to change its effective length.
而是通過(guò)外部電路來(lái)計(jì)算其有傚長(zhǎng)度。
This paper offers a simple method for computing the effective length of two-stepped columns.
本文提供一個(gè)解算雙堦柱計(jì)算長(zhǎng)度的簡(jiǎn)捷計(jì)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(jì)中，常因爲(wèi)平麪外計(jì)算長(zhǎng)度較大，所選實(shí)腹式截麪無(wú)法滿足平麪外穩(wěn)定騐算，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