The nation-wide problems in most relation to us are water pollution, Lang crisis and falling of acid rain.
其中全國性的 ,與國人關系最密切的主要問題是水體污染、土地危機和酸雨沉降 。
Three-step correction of error of rainfall remote measuring with consideration of rainfall center;
考慮降雨中心的遙測降雨三步修正