... 定期评估法 periodic review system 定期抽签法 periodic drawing 控制存货的定期进货法 periodic ordering ...
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In this paper, the transmitting characteristic of multimode fiber is improved by introducing the periodic scramble during the fiber's drawing process.
介绍了通过在多模光纤中引入周期性的扰动以改善多模光纤的传输特性。
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