So it is very essential to develop the research about medical service expense of circulatory system disease.
因此开展有关循环系统疾病医疗费用方面的研究是非常必要的。
The purpose of the medical insurance expense control is to give fair and basic health service to a larger scope of citizens by utilizing the limited medical resources.
费用控制的目的是利用有限的医疗资源使更大范围的人群享受到公平和基本的医疗待遇。
As a kind of initiative maintenance, preventive maintenance mainly aims at prolonging service life of medical equipment, extending their fault-free time and lowering the whole life expense.
预防性维修属于一种主动维修，其主要目的是延长设备寿命、延长设备无故障时间、降低设备全寿命费用。
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