The premature phenomenon is overcome effectively because the selection scheme based on ranking and the crossovermethod of avoiding the same chromosomes are utilized.
由于在遗传算法中采用基于排序的选择方法和避同交叉方式，因而较好地克服了早熟现象。
2
This is the Messier of the two methods because, unlike the above method, it has a bottom crossover.
这是梅西耶的，因为这两种方法不同，上述方法，它的底部交叉。
3
RESULTS: The multiple imputation method imputed missing values of the crossover design and generated valid statistical inferences.