This paper presents the principle of an automatic recorder of hole water level and some methods to improve the precision. The instrument is of small size and micro-power consumption.
本文介绍了仪器硬件电路的工作原理，给出了提高测量精度的方法。该仪器体积小、功能强、功耗极少。
This paper presents the principle of an automatic recorder of hole water level and some methods to improve the precision. The instrument is of small size and micro-power consumption.
本文介绍了仪器硬件电路的工作原理，给出了提高测量精度的方法。该仪器体积小、功能强、功耗极少。
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