counting coil
... counting code 计数码 counting coil 计数线圈 counting device 计数器，计数装置 ...
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环形线圈车辆检测器的计数精度和测速精度关系到交通流量统计结果的准确性，是计量检定的关键项目。
The precision of count and speed test of inductive loop vehicle detector relates the veracity of traffic flux statistical result, which is verifiable key item.
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