解决徵兆是成熟度较低的行为，此行为展现出的功能等级足以通过 CMMI 模型第 2 级或第 3 级的评价。
Working around symptoms is a lower-maturity behavior that shows a level of capability that is adequate for a CMMI model level 2 or 3 appraisal.
分析的具体行为的影响骨料级配，颗粒-弹簧模型离散元方法。
For analyzing the influence of aggregate gradation on the concrete behavior, the grain-spring model of discrete element method is presented.
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