顺? 反 测验可以用来确定遗传的功能单位――顺反子.Application of the cis - trans test defines the genetic unit of function, the cistron.结果: 1.P3G9-L为单Lac启动子同时驱动Fd段及K链 的双顺反子的可溶性Fab段表达载体.Results: P 3 G 9 - L can express soluable Fab fragment and ...
他会把钢丝绳拴在汽车底盘上，用卷扬机把汽车吊到运河岸上。He would attach a cable around the chassis of the car and winch it up on to the canal bank.起重机把汽车吊到轮船上.The crane put the car on to the ship.公司 长期 供应各种进口, 国产 二手 汽车吊.Long - term supply of import...
农民过去用手打麦脱粒.Farmers used to thrash their wheat by hand.在一些村子里,农民用机器来打麦.In some villages farmers use a machine to thresh wheat.在有脱粒机之前,农民用手打麦脱粒.Before thrashing machines farmers thrashed their wheat by hand....
Total enrollment fell between 1991 and 1997.1991到1997年的录取总数下降了.If ELS accepts your application, and you cancel your enrollment, the fee will not be refunded.如果ELS接受您的申请, 然后您取消了您的申请, 那么申请费将不被退回.The full fee is payable on ...
The treaty binds them to respect their neighbour's independence.条约规定他们必须尊重其邻国的独立。They obey the one unwritten rule that binds them all—no talking.他们都遵守着那条约束他们所有人的默认规则——要守口如瓶。Frost binds the soil.霜使土壤凝结....