The main development trend of high voltage transmission line's protection is the line fiber optical differential protection.
光纤电流差动保护是高压线路主保护的发展趋势。
In this paper, the development of optical fiber ribbon in the world, the structure of the optical fiber ribbon and the parameters of UV curing matrix material are introduced.
本文介绍了光纤并带树脂的国内外研究现状，详细阐述了光纤带结构及紫外光固化光纤并带树脂的性能参数。
In this paper, the new development of plastic optical fiber is described. The examples of plastic optical fiber used in short haul data communication are also given.
本文综述了塑料光纤的新动向，同时也给出了用于短距离通信的塑料光纤的实例。
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