Field practice teaching is an important teaching part to geology engineering specialty and take important role in enhancing teaching quality.
野外实践教学是地质工程专业的一个重要教学环节，在提高人才培养质量方面具有重要作用。
In this paper, the theoretical and technical bases of NURBS curve and surface are mainly discussed. Its engineering application and practice in the field of CAD are also researched.
本文论述了自由曲面(NURBS曲线和曲面)的理论和技术基础，并对其在CAD领域的工程实际应用进行了研究和探索。
Through the practice of oil exploration at Shenli oil Field, the necessity, standard and requirements of Marine geological engineering survey are discussed.
通过胜利油田浅海工程测量的实践，论述了工程测量的必要，标准及要求。
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