温度计的工作原理
How a thermometer works
以上为机器翻译结果，长、整句建议使用 人工翻译 。
介绍数字式温度计ds1820的特点、结构，具体说明了温度测量系统的硬件电路和工作原理。
The feature and structure of digital thermometer DS1820 was introduced in this paper. The hardware circuit and work principle of temperature measure system was also presented in detail.
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