It was briefly introduced how to apply the USB host in the digital Temperature-Humidity Recorder, and proposed the realization plan of USB host based on the SL811HS.
将US B主机应用到数字温湿度记录仪系统中，提出了基于SL811HS的USB主机设计的实现方案。
To necessity of greenhouse temperature and humidity course data record, this text designs a suitable data recorder for temperature and humidity of greenhouse.
针对温室内温湿度过程数据记录的必要性，设计了一种适用于温室内的温湿度过程数据记录仪。
Install the reference materials, temperature and humidity, air conditioning and recorder is additional materials storehouse anti-static measure.
航材室、资料室安装了空调和温湿度记录仪，航材库还增设了防静电措施。
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