speed analysis的用法和样例：
例句
- The assumption that there is no lateral velocity variation in a stratum is usually made in velocity analysis.
通常进行速度分析时仅设地层没有速度横向变化，但是实际情况并非如此。 - The quality of velocity analysis directly affects normal moveout correction, and then affects stack imaging and migration.
速度分析的质量直接影响动校正继而影响叠加成像以及偏移归位。
