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
Have a look around. Pete.
到处看看。Pete
What's the population of China?
中国有多少人口？
and whom I respect, confess at once that they have little idea where they are going when they first set pen to paper.
和尊敬的作家，都立即承认在他们动笔时，不清楚要写什么，怎么写。