2018 25 1 2 A B C D ( ( 2 2 A B C D 3 2 A B C D 4 2 A B 4 19 C D 5 6 . : 6 4 2 2 7 7 3 12 4 1 2 2 2 A B C D 3 3 . . . 45 3 8 1 9 2 12 10 13 10 2 A B C D 11 4 1 2 12 3 13 3 1 2 (30 ) 1963 G G G G G G 14 2 15 3 16 4 1 2 17 G 3 18 G ? 3 Wi-Fi Wi-Fi Wi-Fi Wi-Fi Wi-Fi LED 2/3 Wi-Fi Wi-Fi Wi-Fi Wi-Fi Wi-Fi Wi-Fi Wi-Fi 8.76M Wi-Fi Wi-Fi / 2015 3 19 Wi-Fi 2 20