Magnitude ofdrought is a quantitative target for describing one drought scale, and disaster degreeofdrought is a quantitative target for describing one social loss caused by drought.
干旱等级是描述一次干旱强度的定量指标，干旱灾度是描述一次干旱造成社会损失大小的定量指标。
2
The distribution and frequencies ofdrought in different degree were determined.
确定了不同程度的干旱在区域上的分布特征及其发生频率。
3
Root vigor was affected not only by the degreeof soil drought but also by the duration of soil moisture.