比例尺1:5000000表示什么意思?

页面:/news/view-487104/ | 耗时:0.5825 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=487104 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=487104 LIMIT 0,1
select * from tbl_Articles_sphinx where id=487104 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1022455,1188965,884324,956997,753956,1210722,770467,443367,1101518,1954744,432668,1128532,1118772,1077349,1978894,1014876,362880,802509,420642,1023487,721517,696555,1002442,730774,484192,836146,1330769,588676,550351,398891) ORDER BY field (ArticleID,1022455,1188965,884324,956997,753956,1210722,770467,443367,1101518,1954744,432668,1128532,1118772,1077349,1978894,1014876,362880,802509,420642,1023487,721517,696555,1002442,730774,484192,836146,1330769,588676,550351,398891)