Precipitation features, landforms and the covering level of vegetations are the main cause affecting the quantity of water and soil loss.
降水特征、地形地貌和植被覆盖程度是影响水土流失量大小的主要因素。
2
The adding quantityof apple juice and the stability of juice yoghurt were studied with the design of single factor and orthogonal test, by using the criterion of flavor and precipitation rate.