zài / jǔzhèn / jìsuàn / zhōng / èrchóngxiàbiāo / cháng / yòngyú / biǎoshì / yuánsù / de / wèizhì

在矩阵计算中，二重下标常用于表示元素的位置。

In matrix calculations, double subscripts are often used to denote the position of an element.