However, many devices work in the environment which the temperature changes in a larger range, the change of temperature will cause the crystal oscillator's frequency shift.
但是，许多设备工作在温度范围变化较大的环境中，由于石英晶体谐振器自身特殊的物理特性，温度的变化会导致晶体振荡器的频率发生偏移。
The application range of evaluating index of heat stress is expounded based on the mechanism that a high temperature and high humidity environment affects human physiological function.
从高温高湿环境影响人体生理机能的机理出发，阐述了热应力评价指标的使用范围，提出了现有热应力研究有待解决的问题。
The dehumidification machine is capable of controlling accurately the temperature in set range and reducing efficiently the humidity of the indoor environment.
该除湿 机能精确地把室内环境的温度控制在设定范围之内，并能有效降低室内环 境的湿度。
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