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
The first chopsticks were made from bone and jade.
第一批筷子是骨头或玉制成的。
What a gossip!
搬弄是非！
I'm doing great.
我过得很好。