optical fiber wavelength division multiplexer 光纤波分复用器
fiber dense wavelength division multiplexer 光纤密集型波分复用器
The Dense Wavelength Division Multiplexer (DWDM) technology is used in many fields because of its many distinguishing performances, and becomes one of key technologies in fiber network.
密集波分复用(DWDM)技术具有许多独特的优点，得到了广泛的应用，成为光纤网络的关键技术之一。
The safety CH_4 optical-fiber sensor is studied based on the optoelectronic measurement theory and wavelength-division multiplexer technology.
利用光电检测理论和波分复用技术，研制出安全型光纤瓦斯传感器。
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