Stratified random sampling
[经] 分层随机抽样
🧩 词语组成解析
adj. 任意的;随机的;胡乱的;
n. 随意;偶然的行动;
🗣️ 情景例句
She is not able to take your call at the moment.
她现在没办法接你的电话。
There are only two minutes left.
只剩两分钟了。
the gaoler replied: 'The light is indeed dim, sire, I must get my glasses.'
“陛下,这儿光线的确太暗了,我得去眼镜拿来。”
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