确定变异 meaning in English

definitive variation

By this way , the good individual makes the mutation direction and the bad individual searches the possible good individual . the mutated individual follows the advantage direction of current population , so it can jump local optimum and get the global optimum and it can avoid the semi - blind of conventional darwinian - type evolutionary computation
这样，在利用优势个体确定变异方向的同时，借助劣势个体来搜索潜在的优势个体，使得个体变异既能沿着当前种群的优势方向前进，又能跳出局部最优，寻求全局最优，从而成功地克服传统达尔文演化策略的半盲目性。
In view of the external form of the roof construction , it was decided that the variant steel arched girder should be composed of a higher straddle and a lower straddle , with a stump welded between the two straddles . the straddles are two arc - shaped roofs of different curve rates , and each of the straddles is made up of segments of various curve rates
根据实际工程屋盖建筑的外形，确定变异钢拱架分高跨和低跨部分，中间采用短柱焊接成一整体，高跨和低跨由两个不同曲率的弧组成，且每一跨又有多个曲率。