有效期
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to be valid; to be effective; to work | a period of time; phase; stage a period of time; phase; stage; (used for issue of a periodical, courses of study); time; term; period; to hope | ||
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trad. (有效期) | 有效 | 期 | |
simp. #(有效期) | 有效 | 期 |
有效期