例：  x_height(i)=my_bilinear(x_final_matrix_MART2(6,6,i),x_final_matrix_MART2(7,6,i),x_final_matrix_MART2(6,7,i),x_final_matrix_MART2(7,7,i),(111.28-111.05)/0.5,(27.14-27.05)/0.5);