Orthogonal function expansion
[计] 正交函数展开式
🧩 词语组成解析
a. 直角的, 正交的\\nn. 正交直线, 矩形面
🗣️ 情景例句
That's quite true, but on the other hand, we have to think of our priorities.
那很有道理，但我们还必须分清轻重缓急。
Working without a plan is sailing without a compass.
工作没有打算，犹如航海没有罗盘。
What is it?
什么呢？