平面三角形内的重心是什么

页面:/news/view-143589/ | 耗时:0.4114 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=143589 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=143589 LIMIT 0,1
select * from tbl_Articles_sphinx where id=143589 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1063191,1077080,1069019,1076790,1503925,1080441,1077826,1501819,1063237,1132313,1079890,1064345,1125059,1049344,1080383,1072923,1065083,1078392,1071203,1060875,1050423,1076277,1086270,1132757,1063929,1053786,1086446,1051917,1048220,1129005) ORDER BY field (ArticleID,1063191,1077080,1069019,1076790,1503925,1080441,1077826,1501819,1063237,1132313,1079890,1064345,1125059,1049344,1080383,1072923,1065083,1078392,1071203,1060875,1050423,1076277,1086270,1132757,1063929,1053786,1086446,1051917,1048220,1129005)