Semidefinite matrix
[计] 半定矩阵
🧩 词语组成解析
[计] 半定的
🗣️ 情景例句
We are lucky to have you, Marilyn.
拥有你是我们的幸运， Marilyn。
Short accounts make long friends.
帐算清，交情深。
I'm very sorry, comrade, said the man. I won't do it again.
“很对不起，同志，”楼上人说，“我不会再这么做了。”