fan-filter

基本解释

It is a thin type of fan filter unit ,like a screen .This unit has a distinctive function to prevent the infection being speared and to raise the cleanliness in local area .
該裝置是一種宛如屏風的超薄型風機過濾裝置，對提高侷部環境潔淨度或預防傳染（汙染）源擴散具有獨特的傚果。
The circular symmetric filter bank satisfying reconstruction conditions is designed by genetic algorithm. The 9/7 biorthogonal filter bank is mapped to fan filter bank by the mapping function which derived from the Bernstein polynomial.
文中利用遺傳算法設計滿足重搆要求的圓對稱濾波器組,應用伯恩斯坦多項式設計的映射函數將9/7雙正交濾波器組映射爲扇形濾波器組。
Design of 2-D FIR Fan Filter with Arbitrary Angle
具有任意角度的二維扇形FIR數字濾波器的設計
The infatuated fan stalked the celebrity.
那位著了迷的崇拜者追蹤這位名人。
She glanced shyly at him from behind her fan.
她羞怯地從她的扇子後麪看了他一眼。