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 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.
然后给出了一种关于带黑匣子的部分实现的隐式等价性检验方法，实验结果表明了该方法的有效性。
Then we present an implicit algorithm for verifying the partial implementation with black boxes, the experimental result demonstrates its effective-ness …
方法止血带、驱血带辅助下采用大隐静脉高位结扎点式剥脱术治疗大隐静脉曲张病人126例共156条患肢。
Methods High ligation of GSV combined with PFS with the assist of tourniquet and exsanguination was performed in 126 patients (156 affected limbs).
目的探讨止血带、驱血带辅助下大隐静脉高位结扎点式剥脱术治疗大隐静脉曲张的效果。
Objective to assess the efficacy of the treatment of varicosity of great saphenous vein (GSV) using high ligation of GSV and point-form-stripping (PFS) with the aid of tourniquet.
本文用带消隐线的方法在二维平面上来描绘三维曲面，例如波表面等。
This paper describes 3-D curved surface, such as wave-surface etc, on 2-D plane by using hidden-line method.
本文用带消隐线的方法在二维平面上来描绘三维曲面，例如波表面等。
This paper describes 3-D curved surface, such as wave-surface etc, on 2-D plane by using hidden-line method.
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