- Passage 1 -　　It was Jim’s birthday, and he was five years old. He got a lot of nice birthday presents from his fami......

“I Love Spring!” Yeah. It’s a sappy (充满朝气的) title, I know. I can’t think of anything 1 . But I really love s......

利用新型压电薄膜传感器输出信号随冲击大小而变化的特性,通过Soc单片机系统,实现了对击打力、击打速度和反应度的准确测量;不但能......

从武术的起源及发展过程中人们对技击价值与表演价值的不同取向,探讨了武术中技击价值和观赏价值之间的关系。通过对二者关系的讨......

针对射击仿真过程中空间实体碰撞命中检测问题,在已建立的动力学和运动学模型解决了实体位置、姿态及运动趋势解算基础上,提出了考......