电子测试
電子測試
전자측시
ELECTRONIC TEST
2015年
15期
36-37
,共2页
点的合成运动%动点%动系
點的閤成運動%動點%動繫
점적합성운동%동점%동계
Composite motion of points%Moving point%Dynamic system
点的合成运动是理论力学中运动学的重点、难点.而动点、动系和定系的正确选择是解决点的合成运动问题的关键.本文依照动点、动系的选择原则,归纳出三类常用机构的动点、动系和定系的选择方法.有利于学生对合成运动问题的掌握.
點的閤成運動是理論力學中運動學的重點、難點.而動點、動繫和定繫的正確選擇是解決點的閤成運動問題的關鍵.本文依照動點、動繫的選擇原則,歸納齣三類常用機構的動點、動繫和定繫的選擇方法.有利于學生對閤成運動問題的掌握.
점적합성운동시이론역학중운동학적중점、난점.이동점、동계화정계적정학선택시해결점적합성운동문제적관건.본문의조동점、동계적선택원칙,귀납출삼류상용궤구적동점、동계화정계적선택방법.유리우학생대합성운동문제적장악.
The key and difficult point in the Theoretical mechanics is point of synthetic motion.The corre ct choice of the moving point, the Department and the system is the key to the problem of the synthetic mov ement of the points.According to the choice principle of the fixed point and the Department of motion,summe d up the selection method of three kinds of common mechanisms, and point moving coordinate system.It is hel pful for students to master the synthesis problem of motion.
