China has almost 15 million subscribers to satellite and cable television.中国有将近 1,500 万卫星电视和有线电视用户。About 60,000 subscribers have special adapters to receive and decode the signals.大约6万用户拥有特殊的适配器来接收和转换信号。No.1 Internet sea...
Conceptualism holds that are universals but they are mind - made.概念论主张共相存在,但认为它们是人心造做的.The medieval nominalists denied the reality of universals.中世纪唯名论者否定一般概念的实在性.There are no economic universals.没有普遍适用的经济学原理。Croft , W ....
Propyl glycidyl ether ( PGE ) was obtained from propyl alcohol and epichlorohydrin by phase - transfer catalysis.以环氧氯丙烷和正丙醇为原料,通过相转移催化法合成了正丙基缩水甘油醚.The FBC ( fluorous biphase catalysis ) is a new nonaqueous immobilization...