The company includes a network of 10 digital broadcast centers and leased fiberopticcapacity with points of presence in approximately 160 u.
该公司的网络，包括10个数字广播中心和租赁能力的光纤点在大约160美元的城市。
2
Long wavelength semiconductor lasers are the important sources for the high capacity, long repeater spacing fiber-optic telecommunications.
长波长半导体激光器是大容量、长中继距离的光纤通信系统的重要光源。
3
Fiberoptic guidance technologies have a series of advantages, such as large information transmission capacity, good interference immunity, high guidance accuracy and good invisibility.