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以下两道数字电子技术课程设计题目,二选一,请问哪个比较容易做?数字电子技术课程设计提供了两个题目1.简易脉宽测量电路1.能显示二位计数值,时间单位为毫秒.2.被测量脉冲的频率范围100Hz 模拟电子技术课程设计设计一个串联型直流稳压电源,技术指标和要求如下：1.输出电压U=9-12V可调2.最大输出电流I=500mA3.稳压系数Sr≤5%4.交流电源电压为220V,电网波动±10% 以the first taste 为题写一篇一分半钟左右的演讲稿. Why Britain expanded actively in Asia and Africa in the 19th century? How many classes are there in your grade.翻译和回答 feminism in titanic大家都看过这部电影,恐怕只想到它那浪漫的爱情了吧?谁知道这部电影中哪有反映女权主义吗?谢谢各位知识渊博的仁兄了.. The word for "red" in its was called this word for "beautiful" ,and then in the 17th century ,thename was given to the square just next to it.翻译成中文…… Liu Ming works very hard at school an he recdives a______ from school every term. 求积分,e^（-x/2）sin（根号三 除以 二）x 已知sinα+sinβ=根号二除以二最好有分析思路, Sin根号下X的积分怎么求 给我取个英文名字吧,比较文雅一些的, 英语翻译Creative thinking depends on what was unknown becoming clear .Unconscious procdsses unknown to us are the source of the instinctive thinking that is responsible for new organized concepts .All of us have experienced the sudden explosion i 为啥英文小说看的那么蛋疼,即便是星球大战都看不懂英文太差了? 怎样阅读英文小说啊,很多时候看不懂就看不下去了,怎样阅读效率啊! 求急一篇“i am one of a kind”演讲稿,一分钟左右.小学低年级水平即可 I started to miss you. I Miss you vevy mnch Hoo boy 什么意思它是一个词，不是短语 Where have you been?I went to the office.哪里错了?A：Where have you been?B：I went to the office.四个词语 1、have 2、been 3、went 4、the office这四个哪个用错了？为什么？ 1.-How long ____ it ____(take) you to get to your office every day? -About thirty minutes.2.I can't come tomorrow.I ____(have) a really busy day.3.The news made all the children _____(fell) happy.4.I'm thirsty.Can I have something _____(drink).5.____ 听力里,Mary,you went over your minutes again.然后问他们在谈论什么.答案是mobile phone bill .所以上面那句咋翻?你又超时了? i miss you,to classmate! I miss you to谁知道是什么意思的 I am one of a kind ---求一篇演讲稿,限一分钟 Are you from the Australia?句子对吗 are you from the U.S.A.的肯定回答和否定回答! 求问西电新校区的英文地址, 西安电子科技大学用英语怎么说? 西安电子科技大学英文怎么译 西电交互英语怎么在寝室做西安电子科技大学----西电交互英语---新时代交互英语（清华的） 一句中文翻成英文如果你想哭我也会难过