The joint inversion problem of gravimetric and seismic data in layered medium can be converted into an optimization problem by introducing a weighted least square objective functional.
该方法通过引入加权最小平方目标泛函，将层状介质中的重力、地震资料联合反演问题转化成具体的优化问题。
2
Varied types of intersecting joints, including gap joint with positive eccentricity for the circular tubes and overlap joint for the square tubes, were also adopted in the design.
设计中还采用了多种形式的相贯节点，包括圆管正偏心的间隙接头及方管的搭接接头。
3
The numerical analyze results show that the core steel tube joint applied to concrete filled square steel tubular column and reinforced concrete beam have good mechanical property, and structure beh.