Including sub-function module design, business process design, data flow design, database design.

包括子功能模块设计、业务流程设计、数据流程设计、数据库设计。

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Optical Transmission unit, which is an important sub-function unit of OADM device and OXC device.

光信号转发单元，是光传送网设备OADM和OXC的重要组成部分。

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Optical Transmission unit, which is an important sub-function unit of OADM device and OXC device.

光信号转发单元，是光传送网设备OADM和OXC的重要组成部分。

youdao