the advent of new technology新技术的出现Swallows come by groups at the advent of spring.春天来临时燕子成群飞来.The advent of the Euro will redefine Europe.欧元的出现将重新定义欧洲....
它们是催化合成肉桂酸正丁酯的良好催化剂.They were good catalyst for synthesis of n - butyl cinnamate.计算并绘制了H_2O及反式肉桂酸的MEP图.MEP of H _ 2 O and trans - cinnamic acid were calculated, and themaps were drawn.以钨硅杂多酸为催化剂,通过肉桂酸和正丁醇反应合成肉桂酸正丁酯.Butyl...
Plants from the high - lime plots grew better on calcareous soil.高石灰小区的植株在石灰质土上生成较好.Other plankton species in near equal numbers replaced calcareous microplankton as they died out.钙质微体浮游生物消亡时,已经有近乎等量的其它浮游生物种类代替它们了.Calcit...
A hundred long years must still elapse before Englishman could hear the name of Oliver Cromwell.离英国人听到奥利弗·克伦姆威尔的名字还有一百年之久呢.She used to pick flowers in the Cromwell Road...她过去常到克伦威尔路采花。The Normans built the castle which w...