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to phrases
negative input
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commer.
负投入
(与负产出(negative output) 相对)
securit.
负投人
space
负输入
tech.
负投入
negative input
:
12 phrases
in 7 subjects
Aviation
2
Computers
1
Earth sciences
1
Electronics
3
General
1
Geophysics
2
Space
2
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