1、退格符
...backspace key 退格键backspace character 退格符,退格字符,退...backspace statement 回退语句 ...
2、退回字符
...backplane slot 底板插槽backspace character 退回字符backspace key 退回键 ...
3、退格键
... backing windows 后备窗口 backspace character 退格键 backup file 备份文件 ...
4、[计]退格字符
... character assassination n. 人格损毁 backspace character 退格字符 character printer 字符打印机，字符印刷机 ...
backspace e character退格符;退回字符
numeric backspace character数字退格字符;数字退格符元
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unit backspace character单位退格符;翻译