Semidefinite matrix
[计] 半定矩阵
🧩 词语组成解析
[计] 半定的
🗣️ 情景例句
a portrait of the United States--
一幅美国的剪影--
He devoted his life to promoting world peace.
他一生致力于促进世界和平。
We are always willing to cooperate with you and if necessary make some concessions.
我们总是愿意合作的，如果需要还可以做些让步。