conduct study/von
v. + study >>共 521 个
conduct 10.69%
do 6.49%
complete 4.48%
publish 3.35%
need 2.67%
release 2.40%
fund 2.39%
cite 2.30%
continue 2.21%
begin 2.15%
conduct + n. >>共 390 个
test 8.60%
investigation 5.28%
study 5.02%
business 4.66%
research 4.00%
interview 3.79%
search 3.77%
survey 3.65%
trial 2.33%
experiment 2.18%
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