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
Nice to meet you.
幸会。
He received full credit for his studies at a previous school.
他在一所先前的学校取得了所有课程的学分。
New Zealand, with its natural beauty, mountains, rivers and National Parks, attracts tourists from all over the world.
新西兰以其自然风光、群山、河流以及国家公园，吸引着世界各地的游人。