cad怎么把线段等分

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为什么装着水的鱼缸能把里面的鱼放大?我不太清楚,稍微详细一点谢谢.应该是跟放大镜的原理差不多吧? 石英男表什么牌子的性价比高 Does your brother have the ___ (able ) to answer this question 鱼缸是一个什麼镜,看到放大的鱼的虚像? 10000内,石英男表什么牌子比较好?不太喜欢日本的!不要天梭,浪琴! 土耳其中西部河流的水文特征 流经伊拉克共和国的著名河流有? 伊拉克旁边是什么河 分别在那一边 Yestday afternoon I asked smeone to take some photos for me.怎样为同意句 Yesterday afternoon I asked someone to take some photos for me (改为同义句)Yesterday afternoon I ( ) someone photos ( ) Yestoday afternoon I asked someone to take some photos for me 的同意句 Yesterday I asked someone to pierce my ears同义句速度, THE DAY OF THE LAST FOR ONE TO LIKE YOU 是什么意思//?THE DAY OF THE LAST FOR ONE TO I LIKE YOU 是什么意思 漫画:两鱼缸的鱼互相羡慕对方的鱼缸,互换后,又怀念原来的缸.寓意是什么? One day last fall是什麽意思呀?是某一天的意思麼?那为什麽要加一个〔last fall〕呀? 人面鱼纹彩陶盆暗示了什么? "人面鱼纹彩陶盆" 运用了哪些构成方式 A woman is sitting beside to him who is his wifeA woman who is sitting beside to him is his wife两个哪个对? 人面鱼纹彩陶盆多少钱 beside him 和him beside的区别 the people,there are 铝合金 碳合金 钛合金 钢那个结实登山杖 铝合金 碳合金 钛合金 钢哪个结实登上杖 3D打印能够打印的铝合金有哪些? 有哪些3D打印机能够打印铝合金? Mother is drinking a bottle of water now.对 a bottle of 提问 We must have been drunk last might,_________?A 为什么不对啊A.weren't we B.mustn't we C.hadn't we D.didn't weA 为什么不对啊 用所给词的适当形式填空The younger people should be ()[rude] to the old 有没有unrude这种啊没有的话用啥、 朱江三角洲地区城镇化发展迅速的直接原因是 军事里的三角洲和地理里的三角洲是什么?有什么联系? What does the signs mean.这句话哪错了 What does the signs mean? 改错只能改does 、signs、mean三处中的一处. 是把does改成do吗? the是代表后面的是单数吗?那是把signs改成sign吗? 求解!