这些由一系列最大直径为2毫米的小铁氧体磁心组成.These consist of a series of small ferrite cores of maximum diameter 2 mm.采用硝酸铁、硝酸锌、柠檬酸制备前驱体,在不同加热温度与速率下制备锌铁氧体.The citrate sol - gel synthesis method has been used to prepare zinc ferrite.介绍了大尺寸铁氧...
Defence soaks up forty per cent of the budget.国防耗去40%的预算。About forty prisoners are still barricaded inside the wrecked buildings.仍有大约40名囚犯被困在严重损毁的建筑物中。He had a chequered political career spanning nearly forty years.他的政治生...
Politicians have debased the meaning of the word "freedom"政客们贬低了“自由”一词的意义。Art has real meaning when it helps people to understand themselves.当艺术有助于人们了解自身的时候才有真正的意义。People use scientific terms with no clear idea of their ...
He paid for and was assigned a cabin in first class.他付完钱后被安排到了头等舱。I was assigned to Troop A of the 10th Cavalry.我被派往第10骑兵队的A连。A patient going through acute detox will have an assigned nurse nearby.接受急性脱瘾治疗的病人身边会有一名指派的护士看...