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Part has no pcb Decal assigned是什么意思,在PADS2007里的 PADS中 有part库 我看介绍说 有PCB库 原理图库这些可以理解 Part、Gate、CAE、PCB Decal等的区别联系败类。这个问题自己没能力回答，以为没人回答就想随便赚老娘分。想得美。老娘就算重新注册个号来把这个分赚到，也不给你。你这个白痴。老娘不会 CAE的定义是什么?说明他的概念? The runner fell( )he quickiy got up and went on running. He fell ,but quickly ( )and went on running.A.woke up B.got up C.caught up D.rang 用适当的副词或介词填空 HE quickly got _and went_running.They were both_first place in many years. A box falls down quickly from a tall building and hits the ground heavily.翻译 mr johnson likes watch tv in the evening是WATCH还是WATCHES? 过渡元素不都是金属吗?怎么回事 There ___books on the desk.A isn't B is C aren't D have这条题目我始终不懂 请哪位热心网友帮我讲解一下 the table hasn't got many books there aren't many books on the table the table doesn't has many boothe table hasn't got many books there aren't many books on the table the table doesn't has many books以上三种说法一样,语法都对吗还有其 But___ any English books there.A there aren't.B doesn't have 春风得意马蹄疾,一日看遍长安花表达了作者怎样的情感 WHERE IS MY APPLE来玩,要有创意啊 What he said ____ me and I left his office angrily without a word.A.got to B.reached C.interested D.pleased what he said( )me and i left his office angrily whitout a wordA got to B reached C interested D pleased请问这句话什么意思?选出答案之后为什么要这样选? where is the 什么? 过渡元素为何都是金属元素?非金属元素为何都在主族或零族呢 金属元素和非金属元素分界线附近的元素是过渡元素 这句话是错的,哪里错了? My father often reads Qianjiang Evening Paper ______ supper. My father reads()after supper every day A.much evening paper B.a piece of paper C.evening papersD.evening paper 如何简单解释什么叫鉴频,什么叫鉴相. 如果一个人在电梯.电梯在5楼发生事故断了,电梯往下掉,此人在电梯就要落地之前跳了一下,意思就是电梯落地时脚没踩到电梯.会发生什么状况?PS：虽然我知道不可能算的那么准电梯落地前跳 There aren't any apples.可以把any改为the吗?我不是说同义句我是问有没有语法错误 There aren't any fish here!中的aren't 使用的对吗?是否应改为isn't? 如题,如果已知力F,如何求这个力F对某个物体造成的运动速度V?亦或是已知某个物体的运动速度V,如何求阻力F对物体速度V造成的影响? 用花抒写心情的诗句好像有很多描写心情哀愁的诗句,都用了花,还有就是用花在诗句中表达自己高兴的心情的诗句. 古诗中吟诵花的诗句,并写出这些诗句表达了作者怎样的情感? 请问有没有超高压的电液伺服阀或电液比例阀,系统压力在40MPa以上 3句代花的诗句 写出思想感情 作者 有我满意的100分 华师《大学英语（1）》在线作业41.– Are you sure about that?– ( ).A.You needn't worry about thatB.I like the ideaC.Oh,no.I'm afraid of thatD.Oh,yes.I'm absolutely positive满分：2 分42.Dress warmly,_____ you'll catch cold.A.on the