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
How nice it is here.
这儿真不错。
I've forgotten what he said his address was.
我忘记了他说他的地址是什么。
Oh, good! He's coming down the ladder, now.
噢，好！现在他正从梯子上爬下来。