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
After a good night's sleep, I'll enjoy breakfast even more.
好好睡一觉， 明早吃早餐会更香。
Bad workmen often blame their tools.
拙匠常怪工具差。
Though a number of descents have been made, much of it still remains to be explored.
人们多次进入洞内探险，但至今尚有不少东西有待勘探。