41.   New technology lets Japanese builders go deep underground.

n. + let >>共 1203
government 3.11%
program 2.46%
official 2.05%
software 1.87%
law 1.70%
company 1.65%
authority 1.65%
police 1.62%
system 1.44%
site 1.34%
technology 1.04%
technology + v. >>共 637
be 22.65%
make 5.60%
allow 4.34%
have 3.41%
help 2.79%
change 2.40%
become 2.27%
improve 2.19%
come 1.44%
enable 1.39%
let 0.77%
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