Germany, however, insists on restrictions on the import of Polish coal.但是德国坚持对进口波兰煤炭加以限制.Many reduced fares are hedged around with restrictions.很多优惠费率都带有限制条件。Officials have eased up on the press restrictions.官员们已经放松了对新闻界...
...the lifting of restrictions on political parties and the news media...取消对政治党派和新闻媒体的限制Consumer advocacy groups are not so enthusiastic about removing restrictions on the telephone companies.保护消费者团体并不热衷于取消对电话公司的限制。The r...
研究了用无溶剂重结晶法提纯2,6二氯甲苯.Purification of 2,6 dichlorotoluene by the recrystallization method without solvent was studied.以对氯甲苯为原料,经氯化、水解反应合成对氯苯甲酰氯,总收率. 6%.%.The total yield and 4 - chlorohenzoyl chloride. 6 % and. %.研究炭管采集空气...
Kaolin forms pseudo - hexagonal plates, often regularly arranged in book - like or vermicular stacks.高岭石呈假六边形片体, 往往以书页 状 或蠕虫状规则排列.These stacks of thylakoids are called grana.这些成堆的类囊体称为质体基粒.Judge Stacks was appointed to o...