The progresses in five - membered heterocyclic metallocene analogic complexes and their application in olefin polymerization are reviewed.综述了五元杂环类茂金属配合物的研究进展及其在烯烃聚合中的应用....
Michael is now merely a good friend...迈克尔现在仅仅是个不错的朋友而已。"Nice to meet you," said Michael. "Same here," said Mary Ann.“很高兴见到你，”迈克尔说。“我也是，”玛丽·安说。I was very impressed with the talent of Michael Ball. He will go far.我对迈克尔·鲍尔的...
One reasonable explanation is that etching removes and blunts microcracks.有一种合理的解释是说腐蚀能够去掉并钝化微裂纹.Translation blunts communication and makes knowledge crunching anemic.语言转换减弱了交流的效果,使得知识积累也不尽如人意.Manheim's translation ...