讨论了系统费用最优化，并进行实例分析。
The optimization of system fees is discussed, and the examples are analyzed.
本文介绍分析重复测量分类数据的一般统计方法，并用临床资料进行实例分析。
This paper introduces a general methodology for the analysis of repeated measurement of categorical data. A clinical example is illustrated.
选择能源弹性系数对区域能源与大气环境宏观控制做预警研究，并进行实例分析。
The elasticity of energy was chosen to perform early-warning research on the macro-control of energy and atmospheric environment at regional level, and a case study was made.
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