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
He is in conference right now.
他现在在开会。
A ready way to lose friend is to lend him money.
失友都因借钱起。
Had he worked harder, he would have gotten though the exams.
如果他努力了的话，他就会通过考试的。