With the increase of soil depth, daily variation amplitude of soil temperature decreases.
随着土壤深度的增加，地温日变幅逐渐减小。
2
Incorporating of multiple design means such as modularization, amplitude equalization and temperature control, the transmitter has high reliability and strong environment adaptability.
该发射机通过采用模块化、幅度均衡、温度控制等设计手段，使之具有较高的可靠性及环境适应能力。
3
Temperature measurement principle and modulation absorption spectroscopy were introduced, and the influence of modulation amplitude on gas temperature measurement was analyzed.