说明：  遗传算法的优化变量有二进制编码来完成，多个优化变量的二进制编码串在一起组成染色体，这种编码既适用于变异操作，又适用于交叉操作。
(The optimization variable of genetic algorithm is completed by binary coding. The binary coding of multiple optimization variables is strung together to form chromosomes, which is suitable for both mutation operation and crossover operation.)