variable-size block

• 可变长块

variable-size block的用法和样例：

例句

1. A character inserted to fill a blank time slot in synchronous transmission, or inserted to fulfill a character-count requirement in transmissi ons of fixed block lengths.
   为填满同步传输中空时间间隙或为满足在定长块传输中要求的字符计数而插入的一种字符。