An Euler Bernoulli beam equation with one end fixed and a tip mass at another end is considered.

该文考虑一端固定，一端具负荷的梁的振动问题。

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The piezo flexure also operates over a much wider frequency bandwidth than conventional systems incorporating a tip mass.

与使用末端质量的传统系统相比，压电弯曲件可在更宽的频带上操作。

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The effect of the tip mass becomes large along with the increasing of angular velocity of the large motion of the system.

附加质量的影响随系统大范围运动的角速度的增大而变大。

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It says the mainland's disease prevention shows "no sign of improvement" and suspects that the official data released so far may only be the "tip of the iceberg" of a mass epidemic.

BBC: China media: Bird flu outbreak

The corpses had been covered with soil, rubbish and animal bones when investigators unearthed the site, after receiving a tip-off from a survivor of a mass execution at the pit.

CNN: Bodies unearthed at Bosnian pit

These testimonies represent just the tip of the iceberg concerning the horrific fate awaiting imprisoned women in North Korea, who are also subject to mass rape by prison guards.

CENTERFORSECURITYPOLICY: Amnesty: For North Korea