• 1. DGD: 差分群时延 | 差分群延迟 | 群时延差 | 差分群延时(Differential Group Delay)
• 2. RMS DGD: 均方差
• 3. DGD Differential Group Delay: 差分群时延

• 1.The problem of low sensitivity will become seriously if DOP is used as the monitor signal of DGD in SCM system.
  在光副载波复用(SCM)系统中若使用DOP作为DGD的监测信号将会遇到灵敏度低的问题。
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• 2.DGD series cartridges are manufactured from 100% pure polypropylene and are sized for use in our big blue filter housings.
  DGD系列的滤筒根据我们公司的蓝色过滤器量身定做，该设备使用100%的聚丙烯进行加工生产。
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• 3.Dual Gradient drilling (DGD) is also known as Dual Density drilling, which is a new type of drilling technology for deepwater drilling.
  双梯度钻井又称为双密度钻井，是一种适用于深水钻井的新型钻井技术。
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