Negative semidefinite matrix
[计] 负半定矩阵
🧩 词语组成解析
negative
['nɛɡətɪv]
adj. 消极的，否认的;[数]负的;[心]反抗性的;无预期结果的;
n. 否定词语;否定的观点;消极性;[摄]底片;
vt. 否定;拒绝;
negat否认+ive形容词后缀 → 否认的；n. 底片
[计] 半定的
🗣️ 情景例句
What's the problem?
什么问题啦？
I still have some questions concerning our contract.
就合同方面我还有些问题要问。
It was not long before a helicopter arrived on the scene to rescue the survivors of the plane crash.
不久，一架直升飞机飞抵飞机失事现场，来搭救这几个幸存者。