intermediate block check character
One station with two intermediate block post
BCC Block Check Character
BCS Block Check Sequence
block check character
字块检验字符
信息组检验符
块检验字符
方块检查字符
块检查字符
block and block [= chocka-block
intermediate system to intermediate system
Intermediate System-Intermediate System
intermediate system-to-intermediate system protocol
intermediate system-to-intermediate system(IS-IS)