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to phrases
探索性试验
busin.
test trial
met.
exploratory experiment
;
exploratory test
space
trial test
tech.
investigative test
;
pilot test
;
scouting test
;
test by trial
探索
研究
性试验
auto.
exploratory experiment
探索性试验
:
2 phrases
in 2 subjects
Business
1
Technology
1
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