law of constant proportion是什么意思

用法例句

This article pay attention to the medical security expenditure and conclude that fixed-proportion management in some large-scale hospital can reduce unessential medical service,restrain medical security expenditure,resolve overly expensive medical service.

将基本医疗保险住院费用的控制作为切入点,提出大型综合医院按科室实行分科定比管理是减少不必要卫生服务、控制医保费用和解决看病贵的有效方法。