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- Groundwater overexploitation rapidly reduced the water table and natural runoff as a consequence. 超采地下水导致地下水位下降，引起地表径流量显著减少。
- Natural runoff rises at large after a year when El Nino appears, and in the year when La Nina appears natural runoff rises too. 厄尔尼诺现象出现的次年北江年径流量普遍增大，拉尼娜现象出现的当年北江径流量普遍增大；
- This paper also gives the method of analyzing multidimensional high and low states periodicity of natural runoff based on fuzzy recognition arithmetic. 在对径流丰、中、枯聚类基础上提出了基于模糊模式识别的多维丰枯周期特性分析方法。
- The correlation between the temperature and precipitation at each meteorological station and the annual natural runoff volume at Ankang hydrological station were calculated. 同时，通过对各站气温、降水量与安康站径流量的相关计算，建立了天然径流量气候模型，并分析了径流量对气候变化响应的敏感性。
- The mountains of Daluo and Shikengkong are two steps of windward slopes, the rainstorm's center that caused by the two windward slopes is the main source of natural runoff in Beijiang River. 大罗山、石坑崆是北江的两级迎水坡，其形成的多雨中心圈是北江径流量补充的主要来源；
- As a case,the model was satisfactorily structured and effectively used in computation of annual natural runoff with precipitation and evaporation at Huaibin Station on the upstream of the Huai River. 作为一个案例,该模型在淮河上游淮滨站以上流域被成功地建立,并有效地用于由降水量和蒸发量资料推求年天然径流量。
- It is natural for a cat to catch mice. 猫捉老鼠是本能。
- It's natural to slack2 off towards the end of a hard day's work. 一天紧张工作快结束的时候有些放松是自然的。
- Many natural materials are becoming scarce. 许多天然原料越来越少。
- Our motherland flows with natural resources. 我们祖国蕴藏着丰富的天然资源。
- Events took their natural course. 事态依自然进程发展。
- She has a natural wave in her hair. 她的头发自然卷曲。
- Magnetism is a natural phenomenon. 磁力是一种自然现象。
- It is difficult to be natural when one is tense. 人在紧张的时候很难泰然自若。
- The egoism of an artist sometimes seem natural. 艺术家的自负有时看起来是自然的。
- They used only natural pigments to dye the wool. 他们只用天然颜料染毛织品。
- Change of Natural Runoff and Contribution of the Natural and Artifical Factors to the Upper Reaches of Wei River 渭河上游天然径流变化及其自然与人为因素影响贡献量
- Children are natural exhibitionists. 儿童天生喜欢自我表现。
- Everything we used was made from natural materials. 我们所用的一切都是由天然材料做成的。
