Ecodeme refers to a deme occuring within a specified kind of habitat.生态同群种是指出现于某种特殊生境内的同群种.Genoecodeme, an ecodeme differs from others genotypically.基因生态同群种, 它指在基因型上与其它有所不同的生态同群种....
此法可作为温和条件下苊烯合成的一种新方法.This method is a new one in the synthesizing acenaphthylene under mild conditions.采用正交试验法,在优化的条件下苊烯产率达59.09%.Orthogonal test method was used to optimize reaction conditions and the yield of acenaphth...
"Helen had something to eat before she left," put in Cecil anxiously.“海伦走之前吃了点儿东西，”塞西尔急忙插了一句。Cecil now began to panic and fired off two distress rockets.塞西尔此时开始慌张起来，连忙发射了两枚遇险信号火箭。Cecil inherited a family property near St...
The sketch should be a kind of rehearsal for the eventual painting.草图应该是最终绘画的某种演练。The rehearsal studio is buzzing with lunchtime activity.大家在吃午饭，排练室里很是嘈杂。The rehearsal process also irked him increasingly.排练过程也让他越来越厌烦。...
From the garage there came the sound of Derek working a lathe.汽车修理厂那边传来德里克开动车床的声音.Let's get the lathe to turn the new piston.咱们用车床车[加工]新的活塞吧.Gradually she learned to operate a lathe.她慢慢地学会了开车床....
本文介绍了BESMuon鉴别器电子学系统的原型样机.A prototype of the readout electronics for BES Muon Counter is introduced.结果表明:它们是定量评估被动FTIS探测性能和光谱鉴别器的重要工具.The simulated - spectra will be useful in quantitative assessing performance of FTIS s...