Aiming at the problem of big errors in waterdetection, the peper presents a new method of water testing.
本文主要针对干燥过程中水分检测存在较大误差的问题，提出和设计一种新的水分检测方法。
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The lack of light explains why spectrometers — instruments that can be used for remote waterdetection but rely on reflected light to do so — never picked up on the water.
This paper also provided the experience in preventing the goaf water by adapting waterdetection and water release concentratedly, and by using sleeve to control water release.