The comparisons between the simulated results of two models and experiments show that double ellipsoidal model is better than Gaussian model on three-dimensional analysis.
两种模型的仿真结果与工艺试验结果比较表明，双椭球形热源模型比高斯热源模型更适合双丝焊的三维有限元分析。
Based on the failure analysis of the fracturing pump valve chamber, a model for calculating its reliability under three-dimensional stress is established, and a computing program is worked out.
基于压裂泵阀箱的失效分析，建立了在三向应力作用下计算阀箱可靠性的模型，设计了计算程序。
The spatial analysis of the mining area can be carried out on the basis of the three-dimensional model, for example, spatial query, section analysis and so on.
三维重建后，可以在三维模型的基础上对矿区进行相应的空间分析，如空间查询、断面分析等。
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