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若圆的半径为1,圆心P的坐标为（5,12）,则平面直角坐标系的原点O与圆P的位置关系是?O在P外?还是内? 以圆O的圆心O为坐标原点建立平面直角坐标系,若圆O上一点P的坐标为（3,-4）,则圆O的半径为 电阻或电位器能起到降压作用吗? 可调电源设计如何防止因电位器接触不良而造成的电压瞬间突跳 斗字在前面的成语 “志”字在前面的成语有哪些? 心系灾区关于灾区的感人诗歌 春字在后面的成语谢5个、好的加20、 有什么“上”字在后面的成语 三句英文句子的改错Do you know what Dolphin vocal sounding is?Let us enjoy this Mariah Carey's classical song,and you will know it.It's said that the highest pitch in this song,which human beings should not have got,gets E8. 田字在后面的成语 用长为L=1m的细绳将一质量为m=2kg的小球悬挂于竖直平面内,现将小球拉到如图所示C点的位置,绳于竖直方向成60度角,由静止释放,若选最低点O点为零势面求1）小球到达最低点时的动能2）当小球 一个质量为m的小球被拴在一条细绳的一端,现手执绳的另一端抡动,使小球在竖直平面内做圆周运%一个质量为m的小球被拴在一条细绳的一端,现手执绳的另一端抡动,使小球在竖直平面内做圆周 孤掌难鸣的同义俗语同义俗语或成语 大公无私是的反义成语是什么? 谁能给我解释一下当总电流增大的时候分路的电流表示数如何变化 英语单句改错,1、Where are my shoes,mom?—It's right under your desk.2、Comprter was only invented decades ago.It is wide used now and more and more people are interested in it.3、Would you please let me konw when you have match?I willl go a PADS走线问题我用PADS布线时,设的安全间距全部为6,但很宽的间距DRC提示走不了,但有时候又可以走,哪位大侠遇到相同情况,小弟感激不尽! 1.She's a little of funnier.2.I think that photo maybe Miss Ma's.3.Chinese people's family name comes last. 音量电位器a50k与b50k可以互换吗? 1.How do you speak that in English?2.She reads English everyday.3.The man is about 1.80 metre tall.4.I'm a 12-years-old girl.5.He wants to am a teacher in the future.6.My birthday is in 18th February.7.Can I call he Simon?8.I have brown hair with pon 求英语单句改错答案,1、Half of the MP3 users risk go deaf because they play them too loudly.2、As far as you work hard,you'll succeed some day.3、Did you really turn your back from his suggestion?4、A few my friends have gone on a trip ro pads layout中外边框怎么画出内凹的90度角 类似凹字形状本人超级小白各位大侠详细点 关于,小音响电位器以及外接电源的接发.电位器坏了,能不能直接去掉电位器,直接接呢?给出图,望大神帮你.给出的反面图.好像只能发一张图? 拆掉音响电位器后3条线怎么连接起来 我想把电位器拆掉 一开三插如何接线啊 开关控制插座的 如图,在直角平面坐标系中,点A的坐标是（10,0）,点B的坐标是（8,0）点C,D在以OA为直径的半圆M上,且四边形OCDB是平行四边形,求点C的坐标 一羽月土米水日古余是什么成语 一羽月 土米水’日古余猜一成语 一羽月 土米水 日古余猜个成语 浙江省高一年级必背古诗词有哪些?是必修一上的还是不一定? 九年级下课内古诗（浙江）