The relief surface of the element is of multiphase structure.
所得二元光学器件表面具有多位相的浮雕结构。
The paper introduced the prestack depth migration from relief surface based on implicit wide-angle finite-difference one-way propagation operator and used SEG piedmont nappe structure model for test.
本文介绍了基于广角隐式有限差分单程波传播算子的起伏地表叠前深度偏移方法，并对SEG山前带推覆构造模型进行了检验。
The die can form craftwork tea product with branched structure and improve the fineness of the relief on craftwork tea surface.
该模具可成型具有分支结构的工艺茶产品，可提高工艺茶表面浮雕的精细度。
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