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
He felt that his life was no longer worth living.
他觉得他的生命已经没有再活下去的价值了。
A wise man needs not blush for changing his purpose.
智者不耻于改变初衷。
Yes, London. The whole family's going for two months.
对，我们住在伦敦。我们全家打算住两个月。