如果流体流速压力无法将阀门支撑在一个较大的开启度并保持在稳定的开启位置，则阀瓣和相关的运动部件可能会处于一种持续振动的状态。

The disc and associated moving parts may be in a constant state of movement if the velocity pressure is not sufficient to hold the valve in a wide open and stable position.

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计算结果表明，在非线性因素作用下，轴承中心的轴心轨迹不再具有对称性，而轴颈中心却表现为一种稳定的运动状态。

The results shown that, with the effect of nonlinear components, the symmetry of rotation trajectory of the bearing center was broken, and the motion of the journal center presented a steady state.

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奥多姆竞技状态不稳定，不能说他是一个杰出的运动员，但就不能说他是个最全面的球员了吗？

Odom's inconsistencies will likely prevent him from ever being considered a great player, but could he still be the NBA's most versatile player?

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