只有卷尺如何测量墙角是直角

页面:/news/view-2940803/ | 耗时:0.0977 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=2940803 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2940803 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2940803 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1083059,1074820,1086658,1067027,1062716,1078182,1053898,1090196,1065053,1066694,1057904,1068262,1071701,1090032,1083249,1080877,1083030,1080171,988905,1079429,1077182,1053058,1052433,1062971,1060645,1078737,1076564,1065741,1055295,1045643) ORDER BY field (ArticleID,1083059,1074820,1086658,1067027,1062716,1078182,1053898,1090196,1065053,1066694,1057904,1068262,1071701,1090032,1083249,1080877,1083030,1080171,988905,1079429,1077182,1053058,1052433,1062971,1060645,1078737,1076564,1065741,1055295,1045643)