Based on the research on different operation modes and the functions ofcostofjoint venture railways, the essay analyzes the difference ofcost under different operation modes.
在对合资铁路成本作用和合资铁路不同运营模式进行研究的基础上,分析不同运营模式下成本的差异。
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Objective We have been trying to, in accordance with the cost - benefit rule, set up a clinical management pattern of patients after knee joint endoscope operation.