AID or artificial insemination by a donor他精人工授精In animal breeding, especially cattle - breeding, artificial insemination is now widely used.在动物生育, 特别是牛的生育中, 人工授精已经广泛使用.These cases particularly recommend themselves to tre...
Ventilation: positive downdraft exhaust ventilation should be provided to maintain vapor concentration below TLV.通风: 为了使气体聚集程度维持在阀极限值之下,应提供通畅的向下棋流排气通风设施.Beijing Cherokee engine uses Cart YFA carburetor which is single ba...
...flexible, interactive teaching in the classroom.课堂上灵活互动的教学This will make videogames more interactive than ever.这将使电子游戏的互动性更胜以往。Instauration the Computer 3 D Interactive model of CDH.目的:建立先天性髋脱位(cdh)的计算机三维交互模型.As we di...
The technique has been to mutate the genes by irradiation or chemicals.该技术是通过放射线照射或者使用化学方法使基因变异。A newer anti-HIV drug called pyridinone caused HIV to mutate into a form which could not reproduce or infect new cells.一种叫作吡...
As an asthmatic, he cannot cope with the heat and humidity.他患有哮喘病，经不起高温和潮湿。One child in ten is asthmatic.每十个孩子里就有一人患有气喘病。He is an asthmatic who was also anaemic.他是个曾患贫血症的哮喘患者。...
采用这项技术可以从矿石浸出液制备钇富集物.The mentioned technology can be used for producing yttrium concentrate from ore leaching liquor.针对地浸矿山潜水泵提升浸出液的特点,研制了车载式电动提放潜水泵装置.The design sand pump for mine is discussed , and the method of increa...
随着年龄的增加，人在消耗体力时心脏的输血能力和输血速度会有所减弱。Age diminishes the heart's ability to pump harder and faster under exertion.交感神经纤维分布于心脏的所有部分.Sympathetic fibers are distributed to all regions of the heart.心脏的功能是把血液输往全身.The function...