振动图象也叫振动曲线，理论和实验证明，所有简谐运动的振动图象都是正弦或余弦曲线。
导出了A_3模型微振动方程组的通解，并讨论其算例振动图象。
The general solution of equations of small oscillation for A_3 model is solved; and the vibration image is discussed.
该图片是采取无振动按下一个按钮，按遥控器上的控制。而不干扰你可以继续期待透过接目镜到图象。
The picture is taken vibration-free by pressing a button on the remote control. Without disturbing you can continue looking through the eyepiece to the image.
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