一夜风雨： 这是俺下午写得，不知道效率如何，还是谢谢 [阅读: 353] 2006-02-27 16:05:10 select grzh, jyxh, ye from jymx a, (select grzh xx, max(jyxh) yy from jymx group by grzh) b where a.grzh = b.xx and a.jyxh = b.yy and a.grzh <> '0'' 奏刀騞然，莫不中音。合於桑林之舞，乃中经首之会。
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