economical of

基本解釋

My new car is economical of fuel.
我的新汽車節(jié)省燃料[ 不費(fèi)油]。
He is economical of money.
他節(jié)省金錢繕。
In this article, the concepts concerning recycled concrete are defined and the feasibility to technique and economical of recycle concrete are analyzed.
本文首先闡述了再生混凝土技術(shù)的概念；分析了再生骨料配制混凝土的技術(shù)和經(jīng)濟(jì)可行性；

Well, I think possibly they see a nuclear weapons as a more economical way of defending themselves.
NPR: North Korea Test Aimed at Internal Audience?
While the law did not name MTBE, the chemical was a more economical means of oxygenating gasoline than the obvious alternative, ethanol.
FORBES: Demonizing for Dollars
Solar thermal power, which is the most economical form of solar power production, additionally consumes at least double the water of conventional power plants.
FORBES: Obama Unites Global Warming Alarmists, Skeptics In Presidential Debates

economical source of crimes 對(duì)犯罪的經(jīng)濟(jì)來源;罪行的經(jīng)濟(jì)的來源;犯罪的經(jīng)濟(jì)來源
economical operation of reservoir 水庫(kù)經(jīng)濟(jì)運(yùn)行
economical use of labour 節(jié)約
Economical use of paper 節(jié)約用紙
economical organization of agriculture 農(nóng)業(yè)經(jīng)濟(jì)組織