The experiments indicate the simple and feasible digital map system takes fewer resources and runs good, which can be used in mobile devices, navigation, etc., with good practical value.

实验结果表明该电子地图系统简单易行，所占资源小，运行良好，可用在移动设备、导航等领域，具有较好的实用价值。

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The signal control can be easily realized by this virtual CAM mechanism with good stability, high reliability, and better practical value.

这种虚拟凸轮机构能方便地实现电信号控制，稳定性好，可靠性高，具有很好的实用价值。

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Industrial experimental show that the programme of the new form of drum is reasonable economic with good performance and the use of practical value.

经工业性实验表明：新型滚筒方案经济合理，具有良好的使用性能和实用价值。

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