Results In normal fetus, the urorectal septum ( URS ) descended, its distance to cloacal membrane decreased gradually.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....
Semiconductors containing such impurities are called p - type semiconductors.含有这类杂质的半导体叫做P型半导体.It is not possible to name any particular conductivity at which metals end and semiconductors begin.不可能说出在哪个特定的导电系数处是金属和半导体的分...
Artistically, the photographs are stunning.从艺术角度来说，这些照片精美绝伦。Bratby's grandfather had been artistically inclined.布拉特比的祖父很有艺术天分。The book is beautifully printed and artistically bound.这本书印刷精美,装帧高雅.America is the most i...
奇怪的是，她拼命求生的抗争使得她的健康状况大有好转。Curiously, the struggle to survive has greatly improved her health.规模更小的竞争对手正为结束他们的两强垄断局面而抗争着。Their smaller rival is battling to end their duopoly.她会为了那个孩子抗争到底。She'd have fought to the deat...