已知某种电器的平均使用寿命为10年,且假设使用寿命X服从正太分布,现抽取16个简单随机样本,
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Take的反义词是什么?
爱因斯坦是怎么发现速度越高的物体,它的时间会越慢的呢?
爱因斯坦这人是怎么知道有负时空的啊?他说过什么没办法超过光速.那他是怎么知道当物体运动速度超过光速时,时间就会出现倒流即所谓负时间;空间也会相应回到过去空间.
英语翻译:It is recommended that a demonstration of compliance with these requirements be accepted as a demonstration of compliance with the relevant parts of TBR 2 for the purpose of determining conformity with that TBR,and vice versa.
请帮忙找一些关于友谊的英文语句~Thanks a lot
某学生进行往返运动训练,取运动路线为X.t/s 0 1 2 3 4 5x/m 0 10 -2 -13 -6 21.前几秒内的位移最大?2.第几秒内的位移最大?3.前几秒内的路程最大?二.在时间坐标轴上怎么表示(标在哪里):1.第三秒末 2.
we are treated as children by our parents.(改为主动语态) Our parents___ ____ ____ childrenThe ORBIS doctor helps many people with eye problem.(改为被动语态).many people _____ _____ ____eye problems _______the ORBIS doctor
we both get our parents off our backs怎么翻
青蛙是什么样子的?恐龙是什么样子的
地球上会出现极昼和极夜现象的原因是什么?
恐龙和青蛙各指什么呀?
神笔马良着一段告诉我们什么皇帝没有办法,只得把马良放出来,又假惺惺地对他说了一些好话,说什么要给他许多许多金银,还说什么要把公主嫁给他,招他做驸马. 马良一心想夺回神笔,他装作
神笔马良给我们的启发马良一心想夺回神笔,他装作答应下来.皇帝见马良答应了,十分高兴,就把神笔还给了马良,要马良给他画画.皇帝想,画金山、金砖都不成,那末画株摇钱树吧!摇钱树上,长的
Thanks a lot _____ all your help.
用 a friend souvenir me my bought 练词成句
Laura bought a souvenir for her friend. 改为同义句
Liu Yun has a friend from Japan (改为同义句)
‘Young man,’ she answered,‘if you ate more and talked less,we would both enjoy our dinner!’变成间接引语.怎么变?过去完成时?would 后面不是不能接过去式么?
we would both enjoy our dinner!能改为:we both would enjoy our dinner!意思有没有什么区别?
My classmates and I are ___at home. 次句用both还是all?
She is quieter,and I'm more outgoing._____,we both enjoy helping others.A.Then B.However C.So D.Maybe
言不信者,行不果
放花无语的含义典故
花谢花飞飞满天,红消香断有谁怜?的意思和含义.
英语翻译One can't stop this kind of progress,so the critics you cite above are cursing the dark.连词so 引导的另一个句子,组成的一个并列句.so 后面接的 the critics you cite above are curing the dark.the critics 是主语,引导
英语固定搭配都有原因吗?那这个句子thanks a lot 用 a lot 是什么原因?牵扯到语法吗?还是仅是固定搭配?
英语翻译Of the force shaping higher education none is more sweeping than the movement across borders.
Edison i____that his answer was right.愈快愈好
"Do you come from Japan"回答是什么?
Does he come from Japan?Do you know?Do you know____he____from Japan?
一年就它最红的花是什么花
为什么叫夜来香