extra byte meaning in English

附加字节

Argument , the tool ignores the extra bytes
参数，此工具将忽略额外的字节。
If a parity error occurs on the trailing byte of a stream , an extra byte will be added to the input buffer with a value of 126
如果在流的尾字节上出现奇偶校验错误，将向输入缓冲区添加一个值为126的额外字节。
Since the pending change set pane shows that my working file is 40 bytes larger than the baseline where i started , the binary delta is going to be somewhere in the vicinity of 40 bytes long , perhaps with a few extra bytes for overhead
自从变更等待序列显示了我的工作文件比我开始变更的时候的基线文件大40字节后，二进制增量也就在40字节左右延伸，可能还有点特殊的字节。