In the following small game , the players task is very simple , namely the control of the ball firing in the direction of their goal into the corner 在下面的小游戏中，玩家的任务非常简单，即控制射球的方向，将其打入球门的死角。
2.
This testing instrument ' s successful development , not only did we know fairly well before shooting range ball firing , but it can instruct manufacture of artillery , make assure the quality of every artillery , save a great deal fund 坦克炮管静态定向精度测试系统的研制成功，不但可以在靶场实弹射击前做到心中有数，而且能够指导火炮的生产，保证每门火炮的质量，节约大量资金。
3.
In the dissertation ' s chapter 3 to chapter 5 , the mechanical and physical performances of the engineering plastics are analyzed , the failure mode and the designing computing methods of engineering plastics member suffering the static load , dynamic load , impact load , pulse load , are studied . by the practice application and ball firing experiment of the engineering plastics key piece in the weapons , the precious experiences , for engineering plastics application and confirmation of the material performances guideline in the weapons , are obtained 论文的第三章至第五章，分析了工程塑料物理机械性能，研究了受静载荷、动载荷、冲击载荷及脉冲载荷下工程塑料构件的失效模式和设计计算方法，通过工程塑料在枪械关键受力结构件上的实际应用和实弹射击试验，取得了宝贵的经验，为高性能工程塑料在枪械上的应用和材料性能指标的确定奠定了基础。
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