researcher study/nsv
n. + study >>共 571 个
scientist 5.76%
government 5.22%
researcher 4.99%
student 4.60%
official 4.56%
time 3.94%
company 3.44%
commission 2.16%
group 2.01%
committee 1.89%
researcher + v. >>共 450 个
say 19.69%
find 8.84%
be 4.75%
believe 2.70%
use 2.12%
have 2.00%
report 1.80%
hope 1.76%
look 1.60%
suggest 1.40%
study 1.17%
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