Based on the field data and the physical model results, the cause of formation for every shoal was analyzed in this paper, and the principles and the methods of regulation were put forward.
本文根据天然实测大量资料并结合河工模型试验成果，在对河流特性理解的基础上，分析了各浅滩的形成原因，提出了整治原则和方法。
Based on the principles of physical chemistry, a formula is established for quantitatively calculating formation fluid pressure after tectonic uplifting and erosion in a closed system.
根据物理化学原理，建立了完全封闭条件下构造抬升剥蚀后地层流体压力的定量计算公式。
This paper reveals the dynamical characteristics of relative orbital motion of formation flight and presents the principles and method for the orbit configuration design of formation flight.
本文研究了编队飞行卫星群的轨道动力学特性，提出了编队飞行的轨道构形设计的原则和方法。
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