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
People shouldn't do drugs. They're too addictive.
人们不应吸毒，太容易上瘾了。
Good evening, how are you?
晚安，你好吗？
Mr Green is from England.
格林先生从英国来。