If your vehicle is used in extremely dusty conditions you can choose to equip the winch cooling fan with a high performance filter.

如果您的车辆使用条件极为尘土飞扬，你可以选择装备绞盘冷却风扇的高性能过滤器。

youdao

Quasi elliptic filer is a novel high performance filter. Due to its complicated prototype and poor efficiency to extract parameter with classic method, its application has been confined.

准椭圆函数滤波器是一种新型的高性能滤波器形式，但是由于其原型电路的形式比较复杂，用经典综合的方法提取其参数的效率很低，限制了这种形式滤波器的应用。

youdao

youdao

The new Louver filter and new high performance panel result in improved external light shading, improved clarity and improved light transmittance.

ENGADGET: Panasonic unveils Infinite Black Ultra Panel plasmas for 2012 (eyes-on)