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   English ⇄
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to phrases
effectivity adj.
avia. 技术适应性; 有效度; 效率; 生效期
qual.cont. 有效性
 English thesaurus
effectivity abbr.
abbr., mil. efficiency
mil., abbr. eftv
effectivity: 13 phrases in 3 subjects
Agriculture1
Aviation11
Space1

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