当流量为零时，“环形流动”最强，扬程最高。
When the flow is zero, "circular flow" the strongest, the highest lift.
流量计的硬件部分由流动装置和测试仪器组成。
The hardware system is composed of the flowing equipment and the measuring instrument.
描述和相关各种物理现象的提出及产生环境：交通流量，浅水流动。
Description and various physical set ups where they occur: traffic flow, shallow water.
描述和相关各种物理现象的提出及产生环境：交通流量，浅水流动。
Description and various physical set ups where they occur: traffic flow, shallow water.
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