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.
对难管教的孩子只是责备是不够的。It's not good enough just to blame the unruly children.只在外缘做一些小修小补是不够的，我们的目标必须是重建整个系统。It is not enough to tinker at the edges; our objective must be to reconstruct the entire system.光快速冲洗一下是不够的.得用大量流...
Limits amounts to admissive attestation major 20 more than kinds big.认可的认证专业范围达20余大类.And only the wrong understanding to the industry was corrected, our industrial value ability gets admissive.而只有对产业的错误熟悉被纠正了, 我们的产业价值才能得...
Solid is entrained by rising bubbles to form the bubble wave.固体被上升气泡夹带形成气泡尾涡.Once a particle has been detached, it must be entrained before it can bew transported away.颗粒一旦分离, 它必然被挟带,然后被输移.By using cyclone separators to ...
We have had occasion to deal with members of the group on a variety of charges.我们有必要以多项罪名起诉该组织的成员。He wanted to alert people to the activities of the group...他想提醒人们小心该团体的活动。...a group of angry demonstrators shouting sloga...
他们一起住在校园边上一处男女合租的房子里。They lived together in a mixed household on the fringe of a campus.这座房子太贵太大了。再说，我已经喜欢上我们租的小房子了。The house was too expensive and too big. Besides, I'd grown fond of our little rented house.他们自己的汽车...