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concept validation
concept validation
avia.
概念验证
|
test
test
gen.
测
archit.
试 验
;
测验
;
检査
;
准则
;
试验品
;
试验方法
auto.
检 验
hydroel.st.
检定
to phrases
concept validation
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avia.
概念验证
multimed.
概念确认
concept validation
:
3 phrases
in 2 subjects
Aviation
2
Space
1
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