Fourty富尔蒂
fournum.四
Fourier synthesis傅里叶综合
fourier component傅里叶分量,谐波分量
four - quadrant四象限
four with drawals四远
four-on-threen.四对三
Fourier's theorem
four address code四地址代码
four row keyboard四列键盘
four - particle四原子
Fourier type horn傅里叶型变幅杆