英语语法分析

Subsalt seismic exploration is currently international generally recognized difficulty.

盐下地震勘探是目前国际上公认的难题。

These techniques have important meaning of restoring relatively true structural feature of subsalt beds and visible application effects.

这些技术对于恢复盐下地层相对真实的构造形态具有重要意义，应用效果十分显著。

At the reservoir level, the image shows structure that was not previously visible, with improved continuity of subsalt horizons and better fault definition.

在油藏水平上，通过改善盐下层图像的连续性以及断层分辨力，图像显示出了一些以前识别不到的结构。