... 机会成本价值 opportunity cost value; 机会抽样 sampling by chance; 机会对策 game of chance; ...
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4．4机会抽样（Opportunistic Sampling）．因为非概率抽样不象概率抽样那样在设计阶段就有一定的规定，非概率抽样中的机会抽样要求充分利用新发现的线索，充分利用在设计...
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... hazard rate function : 危险率函数 hazard sampling : 机会抽样 hazardous articles : 危险品 ...
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他们很重视来自同辈的建议，重视在他们之前抽样检查的机会。
They value advice from peers and a chance to sample before they buy.
CBBC不仅仅是一个购物的会场，同时也是一个提高品牌知名度，发布新产品、抽样产品、促销及进行营销活动的绝佳机会。
CBBC is not just a shopping venue, but also an excellent opportunity for brand awareness, new product launches, sampling, promotions and marketing activities.
一种抽样方法。人口中的每个人都有平等的被抽取的机会。也称随机抽样。
A kind of sample in which every member of the population has an equal or known chance of being selected into the sample.
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