The surface of Mars shows a wide range of geologic features, including huge volcanoes—the largest known in the solar system—and extensive impact cratering.
火星表面显示出广泛的地质特征，包括巨大的火山——太阳系中已知的最大的火山——和广阔的撞击坑。
The appraising range, complex degree of geological environment, classifiable standard in appraising geologic hazards and its importance are expounded in this paper.
阐述评估范围、地质环境条件复杂程度、地质灾害危险性在评估工作中的划分标准及其重要性。
According to solution of optimal model, geologic reserves and water influx value can be obtained directly, and water range and water invasion coefficient can also be determined.
通过优化模型求解直接获得地质储量及水侵量的大小，同时还可以确定水域大小和水侵系数。
According to solution of optimal model, geologic reserves and water influx value can be obtained directly, and water range and water invasion coefficient can also be determined.
通过优化模型求解直接获得地质储量及水侵量的大小，同时还可以确定水域大小和水侵系数。
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