什么叫做正比例?

页面:/news/view-760500/ | 耗时:0.8295 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=760500 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=760500 LIMIT 0,1
select * from tbl_Articles_sphinx where id=760500 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1195302,783849,1753450,1490442,645877,483160,1105048,1439631,623950,1184241,2366344,1631802,404711,703967,418291,573174,596214,1828586,1457340,2250753,1952968,805634,2335619,1081340,2368035,1132975,855473,1180084,1100084,1600351) ORDER BY field (ArticleID,1195302,783849,1753450,1490442,645877,483160,1105048,1439631,623950,1184241,2366344,1631802,404711,703967,418291,573174,596214,1828586,1457340,2250753,1952968,805634,2335619,1081340,2368035,1132975,855473,1180084,1100084,1600351)