Probability proportional sampling
[经] 概率比例抽样法
🧩 词语组成解析
proportional
[prə'pɔrʃənl]
adj. 比例的，成比例的;相称的，均衡的;
n. [数]比例项，比例量;
pro 很多… + port 部分 + ion表状态 + al 属于...的 → a.比例的；相称的
sampling
['sɑ:mpliŋ, 'sæ-]
n. 抽样;取样;（乐曲的）节录;选录;
🗣️ 情景例句
Hi-tech companies needs many interns to work for them during the summer.
高科技公司在夏天需要许多见习生为其工作。
Really? I was introduced to her just last weekend.
真的？上周末我才被介绍给她。
He usually takes a short walk in the evenings and is always home by seven o'clock.
傍晚常常出去溜达一会儿，并且总是在7点钟以前回来。