Orthogonal function system
[计] 正交函数系统
🧩 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
Let's look on the bright side.
我们来看看它好的一面。
She's been a bit under the weather recently.
她近来身体不太好。
This price is quite a bit higher than it was last time.
这次的价格比上次要贵了一些。