本文依据现有的研究成果，讨论语料库的语言研究及其在外语教学中的应用价值。
Based on the exiting fruits of relevant scientific research, the paper discusses the application of corpus in language study and foreign language teaching.
本文依据分形几何学，进一步探讨了断裂的平面分布，特别是断裂带的几何特征。
Based on fractal geometry, this paper further comments on the planar distribution of faults, especially the geometric characteristics of the fault zone.
本文依据积分中值定理给出了适宜于实验计算的积分平均值的近似公式，并举例加以说明。
This paper gives some approximate formulas of the integral average value for experimental calculation on the basis of the integral mean law. Examples are given for explanation.
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