21.   More uniformed policemen will patrol the streets, supported by armed undercover agents posted in strategic places, he says.

n. + patrol >>共 194
police 17.90%
soldier 11.23%
troop 10.74%
force 5.06%
officer 2.90%
helicopter 2.59%
guard 2.47%
peacekeeper 2.28%
boat 2.04%
unit 1.67%
policeman 1.30%
policeman + v. >>共 498
be 12.96%
die 4.72%
say 3.13%
shoot 2.46%
fire 2.22%
take 1.98%
stand 1.90%
have 1.70%
try 1.51%
suffer 1.51%
patrol 0.83%
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