Fourier series
[计] 傅里叶级数
🧩 词语组成解析
n. 傅立叶（姓氏）；傅里叶（法国空想社会主义者, 社会改革家）
🗣️ 情景例句
If you educate the public about dangerous diseases they can protect themselves, which will help to halt the spread.
如果你能教育公众如何来防治危险疾病，他们就能够保护好他们自己，从而阻止疾病的传播。
How many pieces are you going to order?
你要订几张？
in the belief that they may one day need just those very things.
相信总有一天需要的正好是那些东西。