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介绍一种教学仪器中双菱形定位结构的设计罗治安万士保（空军雷达学院４３００１０）我们运用机械原理设计一台教学仪器，发现双菱形定位结构优于单菱形定位结构，现作一介绍。１设计原理物理课中两个同方向简谐振动的合成，是教学难点，需要设计研制这种振动合成的仪器...
Introduction to a teaching instrument in the design of double diamond positioning structure Luo Shi Andreas VISHOP (Air Force Radar Institute 430010) We use the principle of mechanical design of a teaching instrument, found that the double diamond positioning structure is superior to the single diamond positioning structure, now an introduction . 1 Design Principles Physics Lessons in the same direction two simple harmonic vibration synthesis, is the teaching difficult, need to design and develop this vibration synthesis instrument ...