Pooled standard deviation
[化] 合并标准差; 合并标准偏差
🧩 词语组成解析
a. 合并的
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
Good. Thank you. I'll be right down.
好，谢谢你。我马上下来。
Could you please let us know what discount you can give for an order exceeding 400 sets?
能否告知定货超过400台你方所能给的折扣。
Annie was among the first to realize that blind people never know their hidden strength until they are treated like normal human beings.
盲人只有受到同正常人一样的待遇时，才能知道自己蕴藏的力量，安妮就是其中一位最先有此种认识的人。