From the structure of the circuit is divided into cross - straight - to pay and pay - cycloconverter .从其电路的结构上分为交 — 直 — 交和交 — 交变频器.Circuit - oriented model of cycloconverter is developed by adding tube - changing mode an...
Objective To investigate the application of preoperative hemodilution autohemotransfusion in orthopedic operation.目的探讨稀释式自体输血在骨科择期手术中的应用.Acute normovolemic hemodilution ANH is used widely in clinic as a method of blood c...
英国表示愿意取消贸易禁令。Britain was signalling its readiness to have the embargo lifted.法官给他下了禁令，禁止他进入市中心的店铺。The judge placed an exclusion order on him, banning him from city centre shops.象牙贸易禁令a ban on the ivory trade...