Positive real matrix
[计] 正实矩阵
🧩 词语组成解析
positive
['pɑzətɪv]
adj. 积极的;确实的，肯定的;[数]正的;[医]阳性的;
n. 正面;正片;[语]原级形容词;[数]正量;
posit肯定+ive形容词后缀 → 肯定的；积极的
real
['ri:əl]
adj. 真的;真实的，现实的;事实上的;真诚的;
adv. 真正，实在;确实地;
n. 实在，现实;实数;
🗣️ 情景例句
You and Alexandra
你和Alexandra
Choose a wife rather by your ear than your eye.
选妻，最好用耳莫用眼。
It was at Charlie's wedding. You were playing the piano.
那是在查理的婚礼上，你在弹钢琴。