Population standard deviation
[计] 总体标准偏差
🧩 词语组成解析
standard
['stændɚd]
n. 标准，规格;旗，军旗;度量衡标准;直立支柱;
adj. 标准的，合格的;普遍的，一般的;公认为优秀的;
🗣️ 情景例句
Wrap him in the blanket, Dad!
用毯子把他裹好， 爸爸！
The first step is the only difficulty.
万事起头难。
They ask question like Li Lei, is it in your right hand?
“李磊，橡皮擦在你右手里吗？”