建立使得所有病人在系统内的平均逗留时间（含等待入院及住院时间）最短的病床比例分配模型。
【附录】20080713到20080911的病人信息
序号1234567891011121314151617181920212223242526类型外伤视网膜疾病白内障视网膜疾病青光眼视网膜疾病白内障双眼视网膜疾病白内障双眼白内障视网膜疾病白内障双眼白内障双眼青光眼视网膜疾病视网膜疾病视网膜疾病白内障青光眼白内障双眼视网膜疾病青光眼白内障白内障白内障双眼视网膜疾病门诊时间20087132008713200871320087132008713200871320087132008714200871420087142008714200871420087142008714200871420087142008715200871520087152008715200871520087152008715200871520087152008715入院时间20087142008725200872520087252008725200872620087262008726200872620087262008726200872620087262008727200872720087272008727200872720087272008727200872720087272008727200872720087282008728第一次手术时间2008715200872720087282008727200872720087292008728200872920087282008728200872920087282008728200872920087292008729200872920087282008729200872820087292008729200872820087282008842008731第二次手术时间20087302008730200873020087302008730200886出院时间200871920088820087312008842008852008811200882200886200881200873020088820088220088220088420088920088620088122008730200885200882200889200886200873020087302008892008810
CUMCM2009，B题：第2页共14页
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青光眼白内障外伤白内障双眼视网膜疾病白内障双眼视网膜疾病视网膜疾病白内障视网膜疾病视网膜疾病白内障双眼白内障双眼外伤青光眼白内障双眼白内障双眼白内障双眼白内障双眼视网膜疾病白内障双眼外伤白内障双眼白内障青光眼视网膜疾病外伤白内障白内障双眼白内障双眼视网膜疾病视网膜疾病白内障白内障双眼视网膜疾病视网膜疾病青光眼白内障外伤白内障青光眼视网膜疾病白内障白内障双眼
2008716200871620087162008716200871620087162008716200871720087172008717200871720087172008717200871720087172008717200871720087172008717200871820087182008718200871820087182008718200871820087182008718200871820087182008718200871920087192008719200871920087192008719r