求翻译：国外近10余年的应用经验表明,病例组合(Casemix)作为合理的医疗产出测量单位,它能按病例的病情确定医疗费用标准,建立标准化和定量化的医疗产出模型,为客观评价医疗产出提供科学依据。病例组合在卫生领域的应用,不仅能够提高卫生资源分配的有效性和公平性,而且能够用于评价医疗过程的服务质量,使卫生费用管理和医院管理更加科学化。近20a来,我国许多学者做了大量关于病例组合的理论研究和探讨,但由于缺少病例组合的应用环境,至今未能应用于我国的卫生管理领域。但这一模型的应用，必将有助于提升考核体系的科学性、系统性。是什么意思？

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Nearly 10 years of overseas experience has demonstrated, a case application portfolio (Casemix) as legitimate medical output unit of measure, it can be identified by case of illness, medical expenses and establish a standardized quantitative medical output model, for an objective assessment medical

Last more than 10 years experience in foreign countries showed that, case mix (Casemix) as a legitimate medical measurement units of output, it can be determined as cases of illness medical standards, the establishment of standardization and quantitative model of medical output, provide the scientif