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- Modular Filter Frequency Discriminator 模式滤波器监频器
- You need to filter the drinking water. 你需要把饮用水过滤。
- A filter traps dust from the air. 过滤网可存住空气中的尘埃。
- Filtering the water removed some of its impurities. 把水过滤一下除去了一些杂质。
- He varied the transmission frequency. 他变换了无线电传送的频率。
- New ideas are slowly filtering into people's minds. 新思想逐渐深入人心。
- The news of the defeat started to filter through. 战败的消息开始传出来。
- A unit of frequency equal to one cycle per second. 赫兹频率的单位，等于每秒一周
- It won't take long to filter the coffee. 用不了多少时间就可以把咖啡过滤好。
- I took this picture with a red filter. 这张照片我是用红色滤光镜拍摄的。
- Fatal accidents have decreased in frequency over recent years. 近年来死亡事故发生的频率已经下降。
- We usually clear the water with a filter. 我们通常用过滤器使水净化。
- A filter whose transfer function is matched with the frequency spectrum function of input signal. 其传递函数与输入信号的频谱函数相匹配的一种滤波器。
- We can often correlate age with frequency of illness. 年龄的大小往往与发病率有关。
- Accidents on that highway are happening with increasing frequency. 那条高速公路上车祸发生得越来越频繁。
- It includes topics such as spatial frequency filtering, holography. 它包括空间频率滤光、全息摄影。
- Put the coffee in the filter and let the water run through. 把咖啡倒入滤器里让水流过。
- The filter cleans the fuel before it enters the engine. 在燃料进入发动机之前，过滤器先把它过滤。
- Layered gravel and charcoal to make a filter. 将砂砾和木炭分层以做成过滤器
- He tuned his radio to the police frequency. 他把无线电调到警方的频率。
