In order to give ful play to the practical teaching effect of mechanical principles and mechanical design and to further improve the comprehensive design ability,the practical teaching reform is carried out by closely encircling the experimental teaching system,course design and the second class on the basis of the original teaching mode,and a teaching case is designed.The practical teaching shows that the reform of mechanical principles and design makes the students give full play to the initiative,and develop the innovative ability and improves the teaching effect is improved at the same time.%为了充分发挥《机械原理》与《机械设计》课程的实践教学效果,进一步提高学生的综合设计能力,在原有教学模式基础上,紧紧围绕实验教学体系、课程设计和第二课堂3个方面来开展实践环节教学改革,给出了教学案例设计.实践教学表明,机械原理与设计的实践改革发挥了学生主动性,培养了学生创新能力,改善了教学效果.
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