采用围岩分类专家系统中的不确定性推理处理方法，以工程地质学家谷德振提出的岩体结构划分标准为基础，对金川二矿区岩（矿）体用模糊数学中择近原则的方法进行模糊综合判别。
Rock mechanics models have been established for different types of rock structure to offer a reliable mechanical basis for the analog analysis of host rock stability while mining in a broad area.
本文给出了一维单谷映象周期轨道的符号动力学的符号排序规则，并对强迫布鲁塞尔振子模型作了讨论。
Gives the rule of signs arrange of signs dynamics of periodic orbital on one dimension single valley image, and discusses the model of the forced Brussels vibrator.
本文给出了一维单谷映象周期轨道的符号动力学的符号排序规则，并对强迫布鲁塞尔振子模型作了讨论。
Gives the rule of signs arrange of signs dynamics of periodic orbital on one dimension single valley image, and discusses the model of the forced Brussels vibrator.
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