a. + report >>共 514
immediate 6.13%
unconfirmed 4.79%
economic 4.72%
recent 3.86%
earlier 3.47%
initial 3.42%
new 3.37%
final 2.83%
annual 2.77%
published 2.37%
published + n. >>共 243
report 39.90%
book 3.94%
account 3.33%
interview 2.58%
study 2.31%
work 1.84%
article 1.50%
paper 1.29%
poet 1.22%
material 1.22%
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