Apft
abbr. almost periodic Fourier transform 殆[准]周期傅里叶变换
🗣️ 情景例句
So it seems.
好像是这么回事。
Have you ever been to Japan?
你去过日本吗？
After chipping through a wall which was eighteen inches thick, they found that a man had been trapped in the chimney.
他们凿透了18英寸厚的墙壁，发现有个人卡在烟囱里。