为遗传算法的主程序; 采用二进制Gray编码,采用基于轮盘赌法的非线性排名选择, 均匀交叉,变异操作,而且还引入了倒位操作(As the main program of genetic algorithm, binary Gray encoding is adopted, nonlinear ranking selection based on roulette method, uniform crossover, mutation operation, and inversion operat