令牌桶具有限制流的突发量和平均速率的特点，广泛用于流量整形。
The Token Bucket Filter (TBF) is widely used for traffic shaping to curb the traffic burst and average rate.
视广域网服务而定，大多数运营商支持从批量流量到实时流量的四种基本的流量整形级别。
Depending on the WAN service, most carriers support four basic levels of shaping, from bulk traffic to real-time.
目前涡街流量计所采用的放大、滤波、整形、计数的处理方式，在从噪声中提取流量信号方面存在较大的局限性，只能采用限制量程比、不测小流量等方法来抑制噪声。
The traditional signal processing methods that amplify, filter, rectify signal and count, which are used in vortex flowmeter now, has shortage in extracting real flow signal from noise.
目前涡街流量计所采用的放大、滤波、整形、计数的处理方式，在从噪声中提取流量信号方面存在较大的局限性，只能采用限制量程比、不测小流量等方法来抑制噪声。
The traditional signal processing methods that amplify, filter, rectify signal and count, which are used in vortex flowmeter now, has shortage in extracting real flow signal from noise.
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