结果 泄殖腔发育过程中,胎龄15d前 的正常鼠胚, 尿直肠隔将 泄殖腔 分为腹侧的尿生殖窦和背侧的直肠两部分, 二者共同相通于泄殖腔管.Results In normal fetus, the urorectal septum ( URS ) descended, its distance to cloacal membrane decreased gradually....
用拖拉机牵引的喷雾器可以将5加仑药水喷洒在10英亩田地上。A sprayer hooked to a tractor can spray five gallons onto ten acres.将气流调节器插头接通墙上电源,并连接喷雾器.Plug the flow regulator into the wall and attach the nebulizer.利用喷雾器把细小的油滴喷入极板间的空间内.Fine drops of oil...
A substantial proportion of the population speak a French-based patois.人口中有一大部分说以法语为基础的混合语。In France patois was spoken in rural, less developed regions.在法国，欠发达的农村地区说方言。He speaks the local patois.他会说当地方言....
两个共振峰下面的面积是不相等的.The areas under the two resonance envelopes are unequal.通过考察收集的离子电流信号中的共振峰可得到离子的荷质比、回旋频率等参数.Analyzing the resonant peak to acquire the charge - mass ratio and cyclotron frequency of the ions.共振峰: 使用了对频谱的振...
What is this current television obsession with older men and nubile young women?现在的电视节目为什么这么喜欢描写老男人和妙龄性感女郎的故事呢？They aim their advice squarely at nubile girls who have falsely equated romantic love with happiness.其目的是如实地建...
电离层是指含有带电物质的空间区域.The ionosphere is that region of space contatining electrically charged species.其上限由电离层的状态而决定.Its upper limit is determined by the conditions in the ionosphere.火箭和人造卫星能够到达电离层以上极远的地方.Rockets and artificia...
他以高尚的模式构筑自己生活的框架.He framed his life according to a noble pattern.士兵们构筑防 栅 在里面闭守.The soldiers barricaded themselves in [ off ] .从那些用石头构筑的高高的阳台上可以眺望美丽的河景.From these high stone balconies there was a splendid view of the riv...