结论：了解筛顶板及筛板的影像解剖及嗅凹的形成对减少前颅底外科手术并发症的发生具有十分重要的意义。
Conclusion: The imaging anatomy of ethmoidal roof, cribrum and understanding of the formation of olfactory fovea is the instructive significance for anterior skull base surgery.
本文用有限元法对凹型弯张换能器的前三个共振频率和振动方式进行计算，与测量值比较并讨论了作为水下宽带声源的优点。
The first three resonant frequencies and vibration modes of a novel flextensional transducer are calculated by finite element method, and compared with measured values.
所用液体与半球形箱壁之间的接触角为零并在加载前形成了失重初始凹液面。
The liquid used has zero-degree-static-contact angles on the semispherical container and is exposed to an initially concave interface in a zero-g environment before thrust.
燃烧室的最高壁温出现在凹腔前壁面下部或凹腔上壁面中部；
The hot spot temperature of combustor appeared in the lower of fore-wall or in the middle of upper-wall.
燃烧室的最高壁温出现在凹腔前壁面下部或凹腔上壁面中部；
The hot spot temperature of combustor appeared in the lower of fore-wall or in the middle of upper-wall.
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