Yang Jingmei, Qiu Jinheng. 2002. A method for estimating precipitable water and effective water vapor content from ground humidity parameters[J]. Chinese J Atmos Sci, 26(1):9-22.
杨景梅，邱金桓.2002。用地面湿度参量计算我国整层大气可降水量及有效水汽含量方法的研究[J]。大气科学，26（1）：9-22。
Avoid dragging your harness on the ground, on rocks... etc. Extended exposition to UVA rays (sun), humidity and heat should be always avoided.
避免在地面上，岩石上…等拖动您的滑翔装置，避免长时间暴露于UVA光线下(太阳)及应该远离湿气和热气。
Sow directly in the ground, the plant diseases and insect pests that soil transmits is more, ground temperature is inferior, moisture and humidity are controlled not easily, affect gemmiparous rate.
直接播在地里，土壤传播的病虫害较多，地温较低，水分和湿度不易控制，影响发芽率。
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