filter
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
发音
词形变化
别名
教材释义与例句
滤波器； 过滤器；筛选；滤光器
过滤；渗透；用过滤法除去
滤过；渗入；慢慢传开
释义与例句
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1.
A device which separates a suspended, dissolved, or particulate matter from a fluid, solution, or other substance; any device that separates one substance from another.
过滤器
滤过器
滤器
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2.
Electronics or software that separates unwanted signals (for example noise) from wanted signals or that attenuates selected frequencies.
滤波器
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3.
Any item, mechanism, device, or procedure that acts to separate or isolate.
He runs an email filter to catch the junk mail.
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4.
Self-restraint in speech.
比喻He's got no filter, and he's always offending people as a result.
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5.
A non-empty upper set (of a partially ordered set) which is closed under binary infima (a.k.a. meets).
数学The collection of cofinite subsets of ℝ is a filter under inclusion: it includes the intersection of every pair of its members, and includes every superset of every cofinite set.
If (1) the universal set (here, the set of natural numbers) were called a "large" set, (2) the superset of any "large" set were also a "large" set, and (3) the intersection of a pair of "large" sets were also a "large" set, then the set of all "large" sets would form a filter.
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6.
A translucent object placed in the light path of a camera to remove certain wavelengths (colors), or a computer program that simulates such an effect.
艺术 -
7.
An appearance-altering digital image effect.
媒体
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1.
To sort, sift, or isolate.
及物This strainer should filter out the large particles.
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2.
To diffuse; to cause to be less concentrated or focused.
及物The leaves of the trees filtered the light.
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3.
To pass through a filter or to act as though passing through a filter.
不及物The water filtered through the rock and soil.
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4.
To move slowly or gradually; to come or go a few at a time.
不及物The crowd filtered into the theater.
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5.
To ride a motorcycle between lanes on a road
不及物I can skip past all the traffic on my bike by filtering.
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6.
To be discouraged where a connoisseur or hardcore fan would not.
贬义 不及物 俚语Most people get filtered by that episode.
词汇关系
相关短语
词源
From Middle English filtre, from Medieval Latin filtrum (compare also Old French feutre (“felt; filter”)), from Frankish *filtir, from Proto-West Germanic *felt. See felt. Doublet of phin.
来源：wiktionary