Semidefinite operator
[计] 半定算子
🧩 词语组成解析
[计] 半定的
🗣️ 情景例句
It's too noisy for some older people like Nat.
它对于像Nat这样的老人来说太吵了。
He hasn't answered my letter yet.
他还没有给我回信。
This increases the expense of government,
这样一来就增加了政府的开支，