二维射击小游戏，可以移动发射板射击窗口内移动的方块，射中后方块变红色并停止运动，按r键重新开始游戏。-Dimensional shooting game, you can move the window to move the transmitter board box shot, shot in the box turns red and stop the movement, press r to restart the game.

发射器公式不能截图，可以复制或者自己编辑 实验仿真图和实验结果可以使用附件中的图片-The transmitter formula can not capture, you can copy or edit their own experimental simulation and experimental results can be used in Figure accessories pictures