The central wavelengths of three low loss windows commonly used in optical fiber communication are ( ), ( ) and ( ). 光纤通信中常用的三个低损耗窗口的中心波长分别是()、()和()
The central wavelengths of three low loss windows commonly used in optical fiber communication are ( ), ( ) and ( ). 光纤通信中常用的三个低损耗窗口的中心波长分别是()、()和()
1