Semidefinite operator
[计] 半定算子
🧩 词语组成解析
[计] 半定的
🗣️ 情景例句
What he lacks in experience he makes up for in enthusiasm.
他用热心工作来弥补其经验的不足。
Do you have an umbrella?
你有雨伞吗？
Happy birthday! said Polly, and gave Ann her present---a red feather.
“生日快乐！”波利说，然后给安送礼物--一根红羽毛。