Diaryl nitroxides are even more stable than the dialkyl nitroxides.二芳基氮氧化物自由基比二烷基氮氧化物自由基还要稳定.AIM To offer reference for further research of 2, 4 - diaryl - 1 , 3 - dithiolane compounds.目的为进一步设计和研究2, 4- 二芳基 -1, 3-二硫戊环类化合物...
He argues strongly for retention of NATO as a guarantee of peace.他强烈要求保留北大西洋公约组织以维护和平。The company needs to improve its training and retention of staff.公司需要改进对员工的培训和留用工作。They advocate the retention of our nuclear power pl...
他的书零乱地散置着.His books are all over the place.帕特拆开电视机,把零件散置在地毯上.Pat took apart the TV set and spread the bits all over the carpet.未完全脱落地面的草皮不是散置障碍物.A divot which is not completely detached is not a loose impediment....
两大公司控制了72%的市场份额。The two big companies control 72% of the market.我们在南美洲为一些大公司探测石油和矿石。We dowse oil and ore in South America for big companies.这些人是怎样成为大公司的老总的？How do these people get to be the bosses of major companies?...