某碳氢化合物已知可能是烯烃或是烷烃.A hydrocarbon was known to be either an alkene or alkane.在较高的烯烃情况下, 高能的中间物稳定作用更易出现.With the higher olefins, stabilization of the energetic intermediates occurs more easily.有时它们就难于和芳香族或烯烃的吸收峰相互区别.They ar...
Better be foremost among commoners than the lowest of the aristocracy.宁为鸡口,无为牛后.Commoners comments and criticisms about materials it are also posted.关于资料的注释和评价也列在上面.He always identifies himself as one of the commoners.他总...
organic detritus from fish and plants鱼和植物的有机残渣Detritus usually consists of gravel, sand and clay.岩屑通常是由砂砾, 沙和粘土组成的.The profile is established in response to the amount and type of detritus available.剖面的建立有赖于碎屑物补给的数量和类型.t...
减免的税额在地产和受益人之间分摊。The allowable deduction is apportioned between the estate and the beneficiaries.限定税额已严重威胁到了该项目的进展。The project is seriously threatened by rate-capping.酒税税额随酒瓶容量的大小而有所不同。The cost of the alcohol duty varies...