The transmission of 3.6 Tbit/s signal on 120km fiber lines has been successfully achieved in the laboratory.
举一反三
- Up to now, for information transmission, significant progress has been made in the construction of cross-border fiber optic cables between_______.
- Among the following four transmission media, which has the widest bandwidth, the smallest signal transmission attenuation and the strongest anti-interference capability? A: Twisted pair B: Coaxial cable C: Optical fiber D: Microwave
- I am very happy to declare that this year's sales target ahead of time. A: achieved B: has achieved C: has been acheived D: had beenacheived
- It will be up to the doctor's judgement whether or not the organ can be successfully _______ to the child who has been waiting for it.
- This book is a collection of practical transistor circuits, ____ has been tested by the author in his own laboratory.