rod string vibration 抽油杆住振动
study on string vibration 弦振动研究
vibration of string 弦的振动 ; 弦振动
piano string vibration 钢琴弦振动
tubing string vibration 油管柱振动
string vibration theory 弦振动理论
Actually, string vibration equation is a typical model of partial differentia equation and its deduced process is fairly complicated, thus the dominant factors must be considered and the secondary factors may be ignored.
弦振动方程实际上是一个典型的偏微分方程模型,建立过程相当复杂,主导思想是抓住主要因素,忽略次要因素。
参考来源 - 偏微分方程在弦振动问题中的应用·2,447,543篇论文数据,部分数据来源于NoteExpress
The implicit expression of displacement of string vibration was established by the time integration method.
由时间积分法建立了弦振动位移的隐式表达式。
Finally, the paper introduced effective control methods of common drill string vibration and deviation problem.
最后对常见的钻柱振动和井斜问题介绍了有效的控制方法。
It has been proved mathematically, that the string vibration will forms standing waves if its Uper end is fixed while lower end moves round a circle.
从数学上证明了上端固定,下端作圆周运动的弦振动是驻波。络纱时产生的退绕气圈也是这种形式的驻波。
The modes of vibration in that string are quantized.
在那条弦上的震动模式是量子化的。
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