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filter

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音标发音

  • 英式音标 ['fɪltəˈfɪltə(r)]
  • 美式音标 [ˈfɪl.t̬ɚ]
  • 国际音标 [filtə]
  • 英式发音
  • 美式发音

基本解释

  • n. 过滤器；滤波器；筛选程序；分流指示灯
  • v. 过滤；渗透；用过滤法除去；慢慢传开；缓行；仅可左转行驶
  • n. (Filter) （德）菲尔特（人名）

词源解说

  • 1400年左右进入英语，直接源自中世纪法语的filtrum；最初源自西日耳曼语的filtiz，意为毛毡。

词根记忆

  • “非要它”→香烟的过滤嘴是非要它不可的→过滤
  • “非要它”→香烟的过滤嘴是非要不可的→过滤器

同根派生

  • n性质的同根词
    filtration：过滤；筛选。
    filtrate：[化学]滤液。
  • vi性质的同根词
    filtrate：过滤。
  • vt性质的同根词
    filtrate：过滤；筛选。

用法辨析

    v. (动词)

  • filter的基本意思是“过滤”“滤清”,用于液体或光线等。引申可指消息“走漏”。
  • filter可用作及物动词也可用作不及物动词。用作及物动词时,接名词或代词作宾语,可用于被动结构。
  • filter接into,表示“渗入”; 接out表示“滤出”“泄露出去”; 接through,可表示“滤过”“透过”。

英汉例句

    用作名词 (n.)

  • The lake water passes through a filter before it is piped to our homes.
    湖水过滤后用管道输送到各家各户。

    • 用作动词 (v.)

    用作不及物动词: S+～(+A)

  • She went on separating, boiling, evaporating, filtering and mixing.
    她不断地进行分离、熬煮、蒸发、滤清、调制。

    • 用作及物动词: S+～+ n./pron.

  • Charcoal is used to filter water.
    木炭是用来过滤水的。

词组短语

    用作名词 (n.)

    形容词+～

  • acoustic filter 消声器
  • domestic filter 家用过滤器
  • yellow filter 黄色滤光镜

    • 名词+～

  • cloth filter 用布过滤的滤器
  • sand filter 用沙过滤的滤(水)器

    • ～+名词

  • filter tip 过滤嘴香烟

    • 介词+～

  • pass sth through a filter 过滤某东西

    • 用作动词 (v.)

  • filter light 露出亮光
  • filter water 过滤水

    • ～+副词

  • filter off 滤掉(某物)

英英字典

    剑桥英英字典

  • (EQUIPMENT) any of several types of equipment or devices for removing solids from liquids or gases, or for removing particular types of light
  • (TRAFFIC) a green, arrow-shaped light that is part of a set of traffic lights and tells drivers when they can turn left or right
  • (APPEAR GRADUALLY) to appear or happen gradually or to a limited degree
  • (REMOVE) to remove solids from liquids or gases, or to remove particular types of light, using special equipment

    • 柯林斯英英字典

  • To filter a substance means to pass it through a device which is designed to remove certain particles contained in it.
  • If light or sound filters into a place, it comes in weakly or slowly, either through a partly covered opening, or from a long distance away.
  • When news or information filters through to people, it gradually reaches them.
  • A filter is a device through which a substance is passed when it is being filtered.
  • A filter is a device through which sound or light is passed and which blocks or reduces particular sound or light frequencies.

专业释义

    电子、通信与自动控制技术

  • 滤波器

    The delay filter was added in A/D module of Channel 2.
    在通道2的A/D模块前加延迟滤波器。

  • 数字滤波

    For example, the instrument’s front-panel and the digital filter.
    例如仪器面板和数字滤波等，实现硬件软件化。

  • 滤波电路

    The general circuit of a novel continuous-time voltage-mode CCCII biquadratic filter is presented.
    提出了一种连续时间电压模式CCCII双二阶滤波电路。

    计算机科学技术

  • 滤波器

    Experiments show that this filter has higher accuracy.
    实验表明，多级滤波器能提高预测结果的精度。

  • 数字滤波

    After using digital filter, it separate the overlap of wave crest by using Kalman filter.
    在使用数字滤波的基础上，将卡尔曼滤波引入了叠加峰面积分离的工作。

  • 过滤
  • 过滤器

    • 机械工程

  • 滤波电路

    The analog circuit mainly includes charge-voltage conversion circuit, normalized circuit and anti-aliasing filter.
    模拟电路设计主要包括电荷转换电路、归一电路、抗混叠滤波电路等。

  • 滤嘴

    This method was applied to determination of aromatic amines in cigarette filter and found that different materials of cigarette filter have different absorption rate for four aromatic amines in cigarette filter.3.
    该方法用于卷烟滤嘴中四种芳香胺的测定,结果发现不同材料的滤嘴对四种芳香胺有不同的截留作用。

  • 滤波模块

    A capacitance measurement system based on digital circuit is designed, which includes carrier generator, demodulator, phase controller and IIR low-pass filter.
    包括载波信号产生模块,同步解调模块,低通滤波模块和相位控制模块。

  • 滤波器
  • 过滤器
  • 滤光片
  • 滤光装置
  • 过滤机

    • 环境科学技术

  • 滤池

    • 经济学

  • 滤子

    • 能源科学技术

  • 滤清器

    The new PTC heater of the automobile engine,applying to diesel oil engine,which installs with the filter of diesel oil engine,use the positive temperature coefficient(PTC)to be the heating element for
    使用正温度系数热敏电阻(PTC)作为加热元件的一种柴油发动机用新型 PTC 加热器,与柴油发动机滤清器配合安装,在温度较低的环境下用于加热柴油。 此产品能将加热元件产生的热量迅速、均匀地传导到所经过的柴油中,其结构紧凑,热效率高,使用安全,安装和拆卸都比较方便。

  • 滤波器
  • 反滤层
  • 过滤器
  • 过滤机

    • 化学

  • 滤纸
  • 滤色片

    This colored background of STN is illcome for people who accustom to black-white display. And from the conditions at present, black-white display is necessary condition to get colored display by insetting filter film.
    STN的这种彩色背景，不受习惯于TN黑白显示的用户的欢迎；而且从目前的生产过程和生产条件来看，黑白显示是利用嵌镶滤色片作为获得彩色显示的必要条件。

  • 滤器
  • 过滤

    • 物理学

  • 滤光片

    The bandwidth of s-polarization and p-polarization will separate when the narrow-band thin-film filter is in tilted incidence,which will limit the tunable range of the filter.
    倾斜入射时薄膜窄带滤光片的s和p偏振光的带宽会随着入射角度的增大出现分离,限制了滤光片的调谐范围。

  • 滤光板
  • 滤色镜

    • 水利工程

  • 反滤层

    The design of infiltration ditch contains the obtaining water tube, anti-filter layer, well, pump house and other accessory building.
    渗渠工程设计主要包括水平集水管、反滤层、导水管、集水井、泵房和其他附属构筑物等。

  • 反滤机理
  • 过滤器

    • 生物学

  • 滤膜
  • 滤纸
  • 滤器
  • 滤光片
  • 滤色片
  • 滤器;过滤;滤波器

    • 地球科学

  • 滤光器
  • 反滤层

    • 交通运输工程

  • 滤器
  • 过滤器

    • 测绘科学技术

  • 滤光片

    • 天文学

  • 滤光片