辐射处理会提高性状的变异系数，增加性状的变异度，为选择提供更丰富的变异材料。
Radiation treatment could increase character's coefficient of variability and provide more abundant variations for selection.
同时，提出了取代时间系数的概念，可以定量地衡量不同的选择算子、适应度函数变换方式的作用。
The takeover time coefficient is given, so the influence of different selection operators and transformation of fitness function can be measured quantitatively.
只需简单选择界面柔度系数，可方便地处理界面理想粘贴、弱粘贴和脱层三种界面粘贴状况。
Three kinds of interfacial bonding conditions, perfect bonding, weak bonding and delamination, may be conveniently dealt with by choosing interfacial toughness coefficients.
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