Cixi four network optical communication equipment factory (referred to as: 4w) is located in Zhejiang Province, Ningbo city.
慈溪市四网光通信设备厂(品牌：4w)位于浙江省、宁波市。
In the CATV Network Optical Cable design, the calculation of parameter is not only complicated but also very important.
在有线电视光链路设计中，参数的计算是一项繁琐且很重要的工作内容。
Optical switching device, optical access network, optical switching method, program, and recording medium.
光开关设备，光通路网络，光开关方法、程序，以及记录介质。
With the application of dense wavelength division multiplexing and the advance in optical transport network, optical switching has become one of the key techniques for the future.
随着密集波分复用技术的应用以及光联网的提出，光开关技术已经成为未来光联网的关键技术之一。
With the application of dense wavelength division multiplexing and the advance in optical transport network, optical switching has become one of the key techniques for the future.
随着密集波分复用技术的应用以及光联网的提出，光开关技术已经成为未来光联网的关键技术之一。
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