真包含于和真子集符号是:
⊊(真包含于)⊋(真包含)
真包含于:
1、两集合间关系的符号
2、来自真包含于号(Inclusio诉急晚之思氢nsign)是用来表360问答示一个集合是另一个集合的真子集的记号。如A真包含于B,表示集合A真包含于集合B内上打亮跳氢孩与当轮河,或A是B的真子集(Subset)的意思。
3、中文名:真包含于
4、外文名:Inclusionsign
5、属于:几何符号
参考资料
百度百科:http://m.baidu.com/from=1020761e/bd_page_type=1/ssid=0/uid=0/pu=usm%401%2Csz%40320_1001%2Ct义干酸前a%40iphone_2_7.1_19_5.2/baiduid=E629992767F98F9AE523E3695B40493E/w=0_10_/t=iphone/l=1/tc?ref=www_iphone&lid=13411913632752972033&order=1&waplogo=1&fm=albk&dict=-1&tj=bk_polysemy_划八底振显将理千刑1_0_10_title&w_qd=IlPT2AEptyoA_ykys45cxwWxD5-TeIwntDcWmR0Vrwc8Neg5UVVc8J4ffOSk&sec=26119&di=da52c60811726e43&bdenc=1&tch=124.249消振席条积井袁因后初再.143.215.3.768&nsrc=IlPT2AEptyoA_yixCFOxXnANedT62v3IJBOMLikK1De8mVjte4viZQRAWyPqLTrIBYCbcYP重过建银大以黑NxBsIuUOu0WEfbwV2qBdlxmca95r料价衣底短神落周决造土wdfn5hgCAG_1行镇减日老Mag2lQg_HGnU2sq觉例固送整厂他细官取去mg7Rweg2光站玉第Z9FuUoB7-jfq37o2JxvsDUcNks8fnXw7S教游八卷5n_rZEVWj生C9G&eqid问=ba20b063be75b000100000005a服精首反这原30dcb5&wd=&clk_info=%7B%22srcid%22%3A1547%2C%22tplname%22%3A%22bk_polysemy%22%2C%22t%22%3A1513151921795%2C%22xpath%22%3A围贵控%22div-a-h3%22%7D