Up to now, for information transmission, significant progress has been made in the construction of cross-border fiber optic cables between_______.
举一反三
- China has signed cooperation agreements with some countries on fiber optic cables, which represent the practical launch of the Silk Road Fiber Optic Cable project.
- In the past five years, the infrastructure construction is booming. Major progress has been made in Inter-regional and intercontinental ______.
- The science of computer, __________ rapid progress has been made
- The transmission of 3.6 Tbit/s signal on 120km fiber lines has been successfully achieved in the laboratory.
- The UK is made up of several islands. The only land border connecting the UK to another country is between and .