efficiency

efficiency high efficiency clockwork efficiency in high efficiency还是at high efficiency efficiency expert是什么意思 effectiveness vs efficiency efficiency什么意思 trapping efficiency是什么意思 highcost-efficiency是什么意思 productive efficiency是什么意思 efficiency loss是什么意思 efficiency manual是什么意思 energy efficiency是什么意思 cost-efficiency是什么意思 sd energy efficiency market efficiency hypothesis和capital market efficiency的区别是? 什么是capital efficiency?什么是capital efficiency（资本效率）? 求cost efficiency的翻译