Investigates the matching calculation of electromechanical transmission system for electric cars.研究电动轿车机电传动系统匹配计算方法.So when one investigates the style of legal English, he is to take the vicissitudinous history of Great ...
哺乳类起源于中生代宛若原始的爬虫类.Mammals arose from a fairly primitive reptile in the Mesozoic era.丹巴地区自中生代以来经历了多期的变形 、 变质和岩浆作用.Danba area has undergone multiperiod deformation, metamorphism and magmatism since Mesozoic time.热储由中生代燕山期花...