Identity matrix
[计] 单位矩阵, 恒等矩阵
🧩 词语组成解析
identity
[ai'dentiti]
n. 身份;[逻]同一性;个性;[数]恒等（式）;
🗣️ 情景例句
It might rain tomorrow.
明天可能会下雨。
Why did you sit up so late?
为什么你这么晚还不睡觉？
She's under the weather.
她不舒服。