Semidefinite operator
[计] 半定算子
🧩 词语组成解析
[计] 半定的
🗣️ 情景例句
I can speak English as far as foreign languages are concerned.
就外语来说，我只会讲英语。
Finished labours are pleasant.
大功告成，好不高兴。
He said that it would be possible to build a platform in the centre of the Channel.
他说，可以在隧道中央建造一座平台，这座平台将用作码头和火车站。