“polyalphabetic substitution cipher”的概念、定义、翻译、参考文献-科学参考

单词	polyalphabetic substitution cipher
释义	polyalphabetic substitution cipher [´päl·ē´al·fǝ`bed·ik ´sǝb·stǝ`tü·shǝn ´sī·fǝr] ^{COMMUNICATIONS} A cipher that uses several substitution alphabets in turn.
随便看	ejecta ejection ejection capsule ejection port ejection seat ejector ejector condenser ejector half ejector pin ejector plate ejector rod E-JFET EKG Ekman convergence Ekman current meter Ekman dredge Ekman layer Ekman spiral Ekman sucking Ekman transport Ekman water bottle elaboration Elaeagnaceae elaidic acid elaidinization

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