On the basis of which the soilandwaterconservationengineering and eco-environmental improvement on Loss Plateau by the way of biological means of vegetation will have a clear and decided aim.
利用生物措施中的植被进行黄土高原的水土保持工程与生态环境改良有着明确的目的性与可控制的操作性。
2
Soil dynamic parameters are essential in guiding agriculture production, engineering design for soilandwaterconservation and irrigation works.
土壤水动力学参数对指导农业生产、水利和水保工程设计是必不可少的。
3
Environmental protection, waterandsoilconservation, water source quality protection, engineering quality, technologies and economies should be considered comprehensively during survey and design.