利用该模式并结合钻柱力学三维分析，可以预测定向井井眼轨迹，还可以利用定向井井史资料，反求有关系数。
Combined with the BHA analysis, the models are used to realize the prediction of drilling trajectory and to back-calculate the related coefficients from the well history information.
根据国内外有关资料报道，对国内外铜市场的行情作了简要分析，并就铜的产量、需求以及价格作了较为详尽的分析和预测。
Referring to related data and reports, copper market at home and abroad are briefly analyzed. Output. demand and price of copper are analyzed and forecasted in detail.
应用地震资料预测裂缝不仅与实际油气开发效果有关，而且也是地震勘探领域的前缘课题。
Applying seismic data to predict the fracture is not only relative to real effects of oil-gas development, but also a front subject of seismic exploration.
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