Semidefinite matrix
[计] 半定矩阵
🧩 词语组成解析
[计] 半定的
🗣️ 情景例句
And good luck! I've got to go.
祝你好运 我得走了。
No. I've been in California for the past month.
没有，我刚到加利福尼亚去了一个月。
He owned himself defeated.
他承认自己失败了。