21.   The foundation also emphasized the importance of organ donations after the potentially life-saving technique was described at a medical conference in Chicago on Wednesday.

22.   The manual, seized from the home of a conspirator who has pleaded guilty, describes techniques for assassinations, surveillance and use of explosives.

23.   Then Johnson described the technique in the vault with more flexible poles.

v. + technique >>共 397
use 29.08%
develop 7.16%
learn 2.76%
apply 2.45%
improve 2.31%
have 1.86%
demonstrate 1.81%
teach 1.77%
test 1.63%
perfect 1.40%
describe 1.04%
describe + n. >>共 2049
condition 2.00%
scene 1.49%
meeting 1.41%
situation 1.32%
man 1.06%
incident 0.93%
relationship 0.89%
work 0.88%
life 0.87%
plan 0.86%
technique 0.24%
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