a sample in which every element in the population has an equal chance of being selected
a sample grabbed at random
双语例句
用作动词 (v.)
His job is to sample products for defects. 他的工作是抽样检查产品的瑕疵。
The Commission will review another large sample of signatures before making a determination about Kasyanov's eligibility. 中央选举委员会在对卡西亚诺夫的竞选资格作出决定之前，还将对他递交的签名进行一次大规模的抽样检查。
