两条直线异面为什么不可能平行呢

页面:/news/view-2809910/ | 耗时:0.4167 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=2809910 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2809910 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2809910 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1068824,232085,1116493,1493289,2318105,1372281,1128109,1118543,1124043,1047685,1081394,1102995,1071239,1526693,155245,1096737,153147,1464414,1098545,118267,1123233,135594,185059,221126,1094925,1067886,1083227,201279,1076025,273339) ORDER BY field (ArticleID,1068824,232085,1116493,1493289,2318105,1372281,1128109,1118543,1124043,1047685,1081394,1102995,1071239,1526693,155245,1096737,153147,1464414,1098545,118267,1123233,135594,185059,221126,1094925,1067886,1083227,201279,1076025,273339)