area modulus

基本解释

In the whole area, the larger the modulus of soil erosion. the smaller is the modulus of run off.
就全区而言，具有土壤侵蚀模数越大，径流模数越小的特点。
The calculation method of drainage modulus in agricultural diked area is inapplicable in urban diked area.
农业圩区原有的排涝模数计算方法已不适用于城镇圩区。
The study on regional distribution, area and sediment yield of different modulus of sediment transport provides a support to decide the coarse sand concentrated coming area.
研究不同输沙模数级的区域分布、面积及产沙量，为粗泥沙集中来源区界定提供支撑。