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primary code

美英

primary code

密码学原语,cryptographic... ... ) code language 密码术语 ) primary code 原始密码 ) SL decoding 原语解码 ...

a)、原码(Primary Code) 正数的原码与原来的数相同。负数的原码符号位“置1”，数值位不变。

)的主码(Primary Code)和长度为25(