多次波衰减是海洋地震数据处理中的一个关键问题。
Multiples attenuation is one of the most important problems in Marine seismic data processing.
地质学家们早已知道有的海洋地震会引起强烈海啸，而有的则不会。
GEOLOGISTS have long known that some Marine earthquakes generate fierce tsunamis and some do not.
海洋地震勘探主要包括数据采集、信号处理和解释三个步骤。
There are three procedures used in offshore seismic exploration: data gathering, signal processing and interpretation.
地震学家可据此迅速估算地震深度，如果是海洋地震，还能估算地震是否引发强烈海啸。
The effect is to give seismologists a tool they can use to make an instant estimate of an earthquake’s depth and thus, if it is submarine, the risk of its creating a big tsunami.
将中国海洋地震按板块构造理论划分为三个大的层次：（1）西太平洋岛弧-海沟强活动带；
According to the theory of plate tectonics, China's oceanic earthquakes can be divided into three major levels: (1)Western Pacific Ocean arc-trench strong mobile belt;
宝华所有高压气站设备的生产都参照最高标准，并通过挪威船级社关于海洋地震勘探标准的认证。
All installations are manufactured according to the highest standards and are certified for Marine seismics by Det Norske Veritas.
本文较详细地介绍了SEG海洋地震震源测试标准中有关测试的基本条件、设备、关键方法及数据处理技术。
This article introduced the basic testing condition, equipment, methods and data processing technology on testing standard of SEG Marine seismic air gun.
针对海洋地震物探船布设探测网络实际工况的要求，提出一种拟合数值计算与模型实验结果预报拖缆姿态及拉力的方法。
For the arrangement of the survey network of the ocean seismic prospecting ship, a method fitting the results of the numerical calculation and the model test is presented in this paper.
在太平洋海啸预警中心，海洋学家大卫·沃尔什称，这次地震在日本造成了23英尺高的海啸。
At the Pacific tsunami Warning Center, David Walsh, an oceanographer, said the earthquake created a 23-foot-high tsunami in Japan.
但是在此之前，地球物理学者们认为，这种俯冲带大地震仅仅在年轻的海洋地壳挤入地幔处才可能发生。
But geophysicists had thought that great subduction-zone earthquakes happened only where younger oceanic crust scrapes its way into the mantle.
比如，波塞冬掌管着海洋、地震和马匹；阿佛洛狄忒掌管着爱。
For instance Poseidon was the god of the sea, and of earthquakes and horses; Aphrodite was the god of love.
Caruso说，近期的三次地震都与“火环”有关（“火环”指的是海洋周围的地震活跃地带）。
Caruso says the three recent Pacific quakes are all related to the so-called "ring of fire, " a seismically active region that surrounds the ocean.
海洋中经常发生海底地震。
一次强烈的地震摇动着大地，巨大的波浪卷到岸边，岛屿沉入海洋，再也看不见。
A violent earthquake shook the land, giant waves rolled over the shores, and the island sank into the sea never to be seen again.
冰山当然会在水里，因为地震的缘故，有大块的冰松动，在极点附近或者冰川流入海洋之处产生更多漂浮的冰块。
Icebergs will of course be in the water, and due to the earthquakes chunks of ice may loosen thus producing more icebergs near the poles or near the point where glaciers empty into the sea.
“我并没有特别在意，以为地震可能发生在海洋中。”这位身材清瘦，却高大健硕的男子表示。
I didn't take it seriously and thought the quake might have taken place in the sea, said the thin but tall and robust man.
这是一个当地震发生在偏僻的地方或海洋深处时的典型例子。
This was particularly the case where a quake happened in a remote location, or out in the ocean.
但地震、海底崩塌和爆炸能在世界上所有的海洋、内海和巨大的水库内产生海啸。
But earthquakes, undersea landslides and explosions can generate tsunamis in all of the world's oceans, inland seas and large bodies of water.
提取海平面地壳垂直形变信息对较大地震的预报和与海洋有关灾害的预测等有积极意义。
It has positive significance to extract information of vertical crustal deformation of sea level for predicting larger earthquakes and hazards related to the ocean and so on.
近十年来，深地震反射波勘探在海洋岩石圈的形成与演化、地壳结构研究中的应用越来越广泛。
In the recent decade, the deep seismic reflection profiling has been applied widely to studies on formation and evolution of oceanic lithosphere, crust structures and so on.
这个新的大地水准面地图对于研究海洋环流、海冰动力学，海平面变化和地震会是有用的。
The new geoid map will be useful for studying ocean circulation, ice dynamics, sea-level change and earthquakes.
这些海洋在地震活跃带消失时也会冻结。
本项工作积累的有关基础资料和工作方法可为该工程附近有关海洋建设工程的地震安全性评价工作提供借鉴和参考。
The accumulated basic data and method of this study can provide reference for the seismic safety evaluation of the related Marine construction projects close to the study area.
建立了地震作用下导管架海洋平台结构优化的数学模型，把导管架海洋平台看作钢框架结构，并把优化方法用于结构的抗震设计中。
Jacket platform was assumed as steel frame structure and optimum design method was performed. Total weight of the structure was selected to be optimal objectives.
建立了地震作用下导管架海洋平台结构优化的数学模型，把导管架海洋平台看作钢框架结构，并把优化方法用于结构的抗震设计中。
Jacket platform was assumed as steel frame structure and optimum design method was performed. Total weight of the structure was selected to be optimal objectives.
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