公元元年是如何确定的？

页面:/news/view-915592/ | 耗时:0.2434 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=915592 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=915592 LIMIT 0,1
select * from tbl_Articles_sphinx where id=915592 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(968703,538778,3457569,504303,80075,1070789,1053873,1921146,2497943,976817,525667,1698720,1134851,2213636,1155187,867197,1501905,1384188,3189160,885073,2664353,370254,507972,746411,421043,451264,1533757,646626,394852,582614) ORDER BY field (ArticleID,968703,538778,3457569,504303,80075,1070789,1053873,1921146,2497943,976817,525667,1698720,1134851,2213636,1155187,867197,1501905,1384188,3189160,885073,2664353,370254,507972,746411,421043,451264,1533757,646626,394852,582614)