Semidefinite matrix
[计] 半定矩阵
🧩 词语组成解析
[计] 半定的
🗣️ 情景例句
Maybe he can do the same thing for your grandfather.
也许他能为你爷爷做同样的事。
What is done by night appears by day.
若要人不知，除非己莫为。
His words are strongly impressed on my memory.
他的话深深地铭记在我的心头。