无信号损耗,空号损耗
However, in previously reported work with these holographic devices the diffraction efficiency and wavelength selectivity were not so satisfactory, which affected the insertion loss and channel spacing of the device respectively.
但是目前已报导的工作中还存在着衍射效率不高、选择性差等问题,它们分别影响着器件的插入损耗和通道间隔。
The results show that the loss of surfactant is maximum which is about 80% injection after 1/ 5 well spacing migration, and loss of polymer and alkali are only 12% and 15% respectively.
结果表明,活性剂的损失量最大,在运移1/5井距后即损失约80%;而聚合物和碱的损失分别只有12%和15%。
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