题目已知三个简谐振动曲线如图所示,则振动方程分别为:x1 =____;x2 = ____;x3 =____.x(cm)-|||-10 x2 x3 x1-|||-0 (s)-|||-ō 1 2-|||--10已知三个简谐振动曲线如图所示,则振动方程分别为:x1 =____;x2 = ____;x3 =____.题目解答答案第三空
