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Aiming at the character of optical transport network of MAN, a solution of CWDM is put forward.
针对城域传输网的特点，提出了稀疏波分复用方案。
So CWDM is quite suitable for MAN with its advantages in cost of hardware and network configuration.
这种情况下，无论是设备硬件还是网络配置都具有巨大成本优势的稀疏波分复用（CWDM）技术是非常适用的。
Based on the study of CWDM and wavelength conversion technology, OTU module applicable to CWDM system is designed.
在研究粗波分复用(CWDM)技术和波长转换技术的基础上，设计了一个适用于CWDM系统的波长转换器模块。
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