说明：  利用GA來模擬鳥群尋找食物的行為，方法就是找尋距離食物最近的鳥之周圍區域及根據自己本身飛行的經驗判斷食物的所在
(The use of GA to simulate the behavior of the flock in search of food, the methodology is to find the nearest bird food from around the region and according to their own experience of flying to judge the location of food)