n. 滤波器, 过滤器, 滤光器, 过滤嘴, 去尘器
vt. 过滤, 渗透, 走漏
vi. 滤过, 渗入
[计] 过滤器, 筛选
英文释义
n. device that removes something from whatever passes through it
n. an electrical device that alters the frequency spectrum of signals passing through it
v. remove by passing through a filter