The paper numerically demonstrates the pillar failure process-from micro crack to macro crack to unstable failure and studies the relations between limit load and statistical mean strength.
分析结果再现了矿柱从微破裂产生到宏观裂纹形成、最后产生失稳破坏的全过程,并研究了统计平均强度与极限承载力的关系。
This strength comes from the ideas given in the Four Books of Confucianism (The Great Learning, The Doctrine of the Mean, The Analects of Confucius, and The Book of Mencius).
这种力量来自“四书”(《大学》、《中庸》、《论语》和《孟子》)中的思想。
However, difficulties and challenges do not mean a bleak or uncertain future. Enhanced strength does not mean unpredictability or a threat.
面临困难和挑战不等于前景暗淡和不确定,实力壮大不意味着对外威胁和不可靠。
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