结果表明：北半球月平均环流异常年际演变的过程具有准周期特征及不连续的跃变现象。
The results show: there are the quasi-periodic features and unsuccessive jump phenomena in the interannual variation processes of Northern Hemisphere monthly mean general circulation anomalies.
施力点位移的精细测定证明环境断裂过程是连续或准连续的。
The precision measurements of the load-point displacement showed that the process is a continuous or quasi-continuous one.
为进行连续介质到非连续介质转化的数值模拟，实现结构破坏过程的仿真分析，将固定和旋转的弥散裂缝模型与变形体离散元方法结合应用于混凝土、岩石等准脆性材料的受拉开裂过程分析。
Fixed and rotating smeared-crack models based on a deformable distinct element method were developed to analyze the fracture of quasi-brittle materials such as concrete and rock under tension.
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