基于实钻研究，分析空气泡沫钻进技术在地质岩心钻探中应用的技术优势和社会经济意义；
The article analyses the technique superiority and social economic meanings of the air-foam drilling on the basis of the studying to productive experiment.
实践证明，地质评价是整个油气勘探评价工作的基础，经济评价对勘探决策具有指导意义。
The practice proves that geologic assessment is the foundation of the whole petroleum exploration assessment and the economic assessment has guiding significance in exploration decision - making.
结合生产实际，阐述了研究地质条件的变化规律，对矿井合理开采优质资源，提高经济效益有重要的指导意义。
Combine with the practice, to study the change law of geologic condition is important significance to rational mining resource, it make the economic effect to raise.
滨海城市是我国经济开发的重要区域，研究滨海城市的岩土体工程地质特征，对指导城市工程建设有重要意义。
It is important and essential to study the engineering geological characteristics of rocksoil masses in littoral cities for guiding engineering construction in the future.
研究其产生的影响因素与分类，对此地质灾害的防治具有重要的理论意义与经济价值。
The research on the influence factors of its occurrence and classification is very important to prevent geologic disasters theoretically and practically.
研究其产生的影响因素与分类，对此地质灾害的防治具有重要的理论意义与经济价值。
The research on the influence factors of its occurrence and classification is very important to prevent geologic disasters theoretically and practically.
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