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- During this long period, the offshore physical conditions have big changes, including water temperature and saline concentration, making the propagation velocity of seismic wave change. 在如此长的时间中，海洋的物理条件，如水温、含盐度等都会发生很大的变化，而这些变化会改变地震波的传播速度。
- He was on his feet again after such a long period in hospital. 住院很长一段时间他复原了。
- After a long period of rain the river may overflow its banks. 在一个长时间的降雨之后，河水会漫过河岸。
- Seismic wave field and seismic exploration II. 地震波场与地震勘探2。
- A surface at which seismic wave velocities change. 不连续面间断面，地震波速度突变面
- Seismic wave AVO and formation lithology analysis. 地震波AVO与地层岩性分析
- There is a long period when we have no news of him. 有很长一段时间我们没有得到他的消息。
- Some waste rots away over a long period of time. 有些食物要经过好长时间才会腐烂。
- Fifteen years is a long period of her life . 五十年是她一生中很长的一段。
- Long period hard work pulled him down a lot. 长期的艰苦劳动使他的身体虚弱了许多。
- China had a very long period of feudalism. 中国有很长的封建时期。
- To take back and eat for a long period of time. 带回去慢慢吃。
- See if you can persist over a long period. 看看你能坚持多长时间。
- Aeon: An indefinitely long period of time; an age. 极长的时期;永世。
- What do you find over a long period of time? 长时间过后,您有什么发现吗?
- Fifteen years is a long period of her life. 五十年是她一生中很长的一段。
- Regional seismic wave carries iota of information about structural variations in the crust and the upper mantin. 摘要区域地震波携带着大量的信息，可以很好地反映地壳和上地幔结构的变化。
- Britain was a Roman dependency for a long period. 英国有很长一段时间是罗马的属地。
- There is long period when we have no news of him. 有很长一段时间我们没有得到他的消息。
- Seismic sections show the response of the earth to seismic waves. 地震剖面是地壳对地震波的响应。
