needed necessary requirement 三者的区别是什么?

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needednecessaryrequirement三者的区别是什么?needednecessaryrequirement三者的区别是什么?needednecessaryrequirement三者的区

needed necessary requirement 三者的区别是什么?
needed necessary requirement 三者的区别是什么?

needed necessary requirement 三者的区别是什么?
动词过去分词:需要
形容词:必须
名词:要求
看汉字也知道区别很明显.

needed与necessary有什么区别 needed与necessary有什么区别 needed necessary requirement 三者的区别是什么? necessary 翻译:People in the West generally view work as a necessary evil-one must give up part of one's freedom to earn the money needed to live. 请帮忙翻译一下,不要用翻译工具,谢谢In addition, from the viewpoint of stabilizing the supply-demand balance of energy at an early stage, it is necessary to take all possible measures to enhance the supply system. Furthermore, it is req 求a,b两端等效电阻Req 纺织英语中Req QTY:5 lac 问个戴维宁等效电路得提这个Req不理解 我认为应该是Req = R1+aR needed是什么意思 best-needed 英语翻译On automation system one can find three basic components mentioned before,plus a logic circuit that controls the system.An adequate technique is needed to project the logic circuit and integrate all the necessary components to execute the 英语翻译Read the advertisements carefully.Then answer the questions that follow.LNTERESTED IN CHILDCARE?Qualified person or preschool teacher needed for busy childcare center,south of the river.Full-time work guaranteed.Immediate start necessary. To learn English well,_____.A.it must spoken regularly B.much practice is needed.C.it is necessary to practice a lot.D.one must do much practice To get a golden medal ,______.A,hard training is needed B,it is necessary to train hardC,one must train hard D,it needs hard training为什么选C If__,I'll come to your help at once.Don't hesitate__me.A:needed...to call B:needing me...calling C:necessary...for calling D:you need..to call If__,I'll come to your help at once.Don't hesitate__me._______A:needed...to call B:needing me...calling C:necessary...for calling D:you need..to call理由 author necessary