为什么洛必达法则只能用于未定式

页面:/news/view-1351097/ | 耗时:1.0097 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=1351097 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1351097 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1351097 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(3214951,1351097,2397746,111056,121330,1673533,108997,117397,667626,1066324,120990,113130,114094,122131,1304848,110347,119536,1116177,121326,110685,1839075,3434920,385672,1797787,112796,111982,116140,121323,2352286,1866670) ORDER BY field (ArticleID,3214951,1351097,2397746,111056,121330,1673533,108997,117397,667626,1066324,120990,113130,114094,122131,1304848,110347,119536,1116177,121326,110685,1839075,3434920,385672,1797787,112796,111982,116140,121323,2352286,1866670)