1.   If we choose names out of a hat, or by using random numbers, then we are doing truly random sampling.

2.   Littlewoods has reworked its pools coupons to accommodate customers who simply want to pick random numbers.

3.   Pick a random number.

4.   That is, a new key is generated as a random number for each message.

5.   The squares were chosen with a table of random numbers.

6.   The computer program generates a list of random numbers.

7.   They were divided by random numbers into two groups, one receiving oxygen during gastroscopy and the other receiving air.

a. + number >>共 430
large 15.21%
growing 8.43%
small 5.19%
increasing 4.65%
record 2.28%
limited 2.08%
total 1.89%
exact 1.89%
unknown 1.88%
unspecified 1.77%
random 0.14%
random + n. >>共 529
drug 5.69%
access 4.83%
violence 3.69%
test 3.60%
check 3.23%
sample 3.14%
act 2.92%
search 2.23%
number 1.91%
sampling 1.78%
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