Semidefinite matrix
[计] 半定矩阵
🧩 词语组成解析
[计] 半定的
🗣️ 情景例句
He graduated from medical school in 1960
他在一九六零年从医学院毕业，
Mother's apple pie always tastes delicious.
妈妈做的苹果派很好吃的！
Oh, I've already seen it.I saw it on television last year.
噢，我已看过了。我是去年在电视上看的。