Normal fault plane pattern and associated fold in upside and their meaning in oil-gas exploration;

Sampling plane truncation error is a very important factor of affecting the result in time domain near field measurement.

This paper discusses the calculation error of traditional dividing section method in complex section channel by theoretical analysis,and produces a new dividing section method which the velocity of dividing section is equal.

Model test study on sectional form of highway tunnel lining;

Research of levee line layout of the urban flood protection levee and choice of sectional form;