Semidefinite matrix
[计] 半定矩阵
🧩 词语组成解析
[计] 半定的
🗣️ 情景例句
I'm sorry, I didn't mean to bother you.
对不起，真不想打扰你。
No matter what the excuse, you must not be late.
不管有什么借口，你一定不要迟到。
Come in and have a seat.
请进来坐。