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物理现象十分广泛，如声现象、热现象、光的反射现象、光的折射现象、全反射现象、惯性现象、静电感应现象、磁现象、电磁感应现象等等．面对多种多样、千变万化的物理现象，学生们怀有好奇心和神秘感，觉得一个个物理现象是一个个的谜，总想把它解开．物理学家正是从这些...
Physical phenomena are very wide, such as acoustic phenomenon, thermal phenomenon, light reflection phenomenon, light refraction phenomenon, total reflection phenomenon, inertia phenomenon, electrostatic induction phenomenon, magnetic phenomenon, electromagnetic induction phenomenon and so on. In the face of diverse and ever-changing physics, students have a curiosity and a sense of mystery. They feel that the physics is a mystery and they always want to solve it. Physicists are just from these...