Semidefinite operator
[计] 半定算子
🧩 词语组成解析
[计] 半定的
🗣️ 情景例句
I continued to teach piano lessons at home.
我继续在家教钢琴。
What's the price of that electric iron?
那个电熨斗的价格是多少？
The fax has greatly changed office work, especially in China.
特别是在中国，传真机大大地改变了办公室的工作。