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电话簿 | |||
电报密码簿; 电码簿 | |||
代码本; 密码本 | |||
编码本 | |||
密码书 | |||
译码本; 代码簿 | |||
电码本; 信号簿; 密本 | |||
编码簿; 国际电讯信号 | |||
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电报简码书 |
code book : 11 phrases in 8 subjects |
Electronic commerce | 1 |
Electronics | 1 |
Information technology | 1 |
Multimedia | 1 |
Rowing | 2 |
Sports | 2 |
Technology | 2 |
Telecommunications | 1 |