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
Yes? Can I do something for you?
什么事？我能为您效劳吗？
He has lived here for a year.
他在这儿住了一年。[持续到现在的行为]
but rarely with bicycles made for two.
不过双人自行车则不容易看到。