Meanwhile, a new method of calculating initial step length was proposed.
同时，提出了新的一维搜索初始步长的约束方法。
Conclusion: It's reasonable and feasible in calculating controlling standard of average length of stage.
结论：利用病例分型原理计算平均住院日控制标准是合理可行的。
Conclusion: It's reasonable and feasible in calculating controlling standard of average length of stage.
结论：利用病例分型原理计算平均住院日控制标准是合理可行的。
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