GEabbr.美国通用电气公司（=General Electric Coabbr.地面设备（=ground equipment）abbr.锗（=germanium）Gepard猎豹是西德制造的鱼雷快艇、自行高炮

1. The hydrofracturing technique is the most effective measuring method in the geostress measurement in deep stratum.
   在深层地应力测量中，水压致裂法是最有效的测量方法。
2. The theoretical model created based on minimum principal stress criteion is a new thinking of the three dimensional geo-stress measurements made by hydraulic fracturing method.
   采用最小主应力破坏准则，建立理论模型，是利用水压致裂方法进行三维地应力测量的新的研究思路和方法。