Orthonormal vector
[计] 正交单位向量
🧩 词语组成解析
[计] 规范正交的
🗣️ 情景例句
my sister and her husband and their daughter.
我妹妹Susan和她丈夫以及他们的女儿。
Do you work near the university?
你在大学附近工作吗？
I'm not sure we have that much on hand.
我没把握现在的量有没有那么多。