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水土保持学,研究水土在流失的过程的一个规律以及对水土的保持措施,对水土的流失有着一定的保护和改良的作用,并能够将山丘区和风沙区的水土资源能够合理的运用,在对高山地的维护以及对其生产力的提高都能够将生态效益、经济效益和社会效益进一步推广的科学技术。它是在近几年来才逐渐兴起的综合性强的科学技术、虽然水土流失在规律上有着理论知识,但它也是应用性的基础理论研究,能够对对水土资源有着保护以及改良的目的。
Soil and water conservancy study of soil and water loss in the process of a law and the soil and water conservation measures on the loss of water and soil have a certain role in the protection and improvement of the hilly and sandy areas and can be the rational use of water and land resources, Science and technology that can promote ecological, economic and social benefits in the maintenance of high mountains and in the enhancement of their productive forces. Although it is a comprehensive and comprehensive science and technology that has been gradually emerging in recent years, although soil and water loss has a theoretical basis in law, it is also an applied basic theoretical study that can protect and improve water and soil resources.