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
Then we'll be able to make our fire there where it's safe.
然后我们就可以在那儿找一个安全的地方生火了。
What's on Channel 8 now?
现在8频道播什么节目？
Of course. When I got there, you had already started playing. So you didn't see me.
当然啦。当我到那里时，你们已经开始踢球了。因而你没看见我。