名词
中文翻译：阿拉伯密码
同义词：
['arabic cipher', 'arabic code', 'arabic cryptography例句：1. The ancient Arabic ciphers were used to securemessages during the Middle Ages.（古代的阿拉伯密码在中世纪被用来加密信息。）']
例句：
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1. The ancient Arabic ciphers were used to securemessages during the Middle Ages.
古代的阿拉伯密码在中世纪被用来加密信息。
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2.The researchers have cracked the Arabiccipher used by the ancient Egyptians.
研究人员已经破解了古埃及人使用的古老密码。
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3. The Arabic cipher is stillused in modern encryption systems.
现代加密系统仍然使用阿拉伯密码。