It is nearly impossible to fully describe the dynamics and leakage characteristics of a padded finger seal system since its structure and operation conditions are so complex.
流体动压指尖密封系统因其结构和工况条件的复杂，无法完整描述其动力学特性和泄漏性能。
CONCLUSION: Combination of 3-d finite-element model with spiral CT-cross technology establishes complex dental models, simulates practical conditions authentically and is good in operation.
结论：螺旋ct断层扫描技术与三维有限元法相结合，可以建立复杂的牙模型，且能真实地模拟实际情况，使用性好。
The traditional passive damping has the advantage of simple structure, reliable operation and low cost. But, it cannot meet the requirements of comfort under complex conditions.
传统的定刚度被动减振具有结构简单、运行可靠、成本低廉的优点，但是不能适应复杂条件下的乘坐舒适性要求。
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