In this paper, a module level diagnostic method is presented which considers multi-port device or sub-network as the basic unit.

本文以多端口元件或子网络为基本单元，提出了一种模块级故障诊断方案。

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With the changing of the port corporation from simplex manufacture to economic management, the management of port device is transforming from pure technology to technical economy.

随着港口企业从单纯生产型向生产经济管理型转变，港口设备的管理也从纯技术管理向技术经济管理转变。

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With the changing of the port corporation from simplex manufacture to economic management, the management of port device is transforming from pure technology to technical economy.

随着港口企业从单纯生产型向生产经济管理型转变，港口设备的管理也从纯技术管理向技术经济管理转变。

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