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- The phenomena associated with volcanic activity. 火山现象与火山活动有关的现象
- This is unlike volcanic activity above the sea. 这同高出洋面的火山活动是不同的。
- Volcanic activity formed seamount and sea bill. 火山作用形成海山、海丘。
- A sudden movement of the earth's crust caused by the release of stress accumulated along geologic faults or by volcanic activity. 地震由于地质断层积聚的压力被释放或由于火山活动引起的地壳的突然变动
- A raising of the land resulting from volcanic activity. 火山活动导致的陆地上升。
- Plate boundaries are often rich in earthquakes and volcanic activity. 板块边界往往出现在在地震和火山过程中。
- Earthquakes commonly accompany volcanic activity on movement of magma deep in the earth. 地震通常都伴随着火山活动或地球深处的岩浆运动。
- The only apparent building process that the early earth scientists could detect was volcanic activity. 早期地质学家所能发现的唯一明显的构造作用就是火山活动。
- Craters resembling those on the moon are produced on the earth both by volcanic activity and by meteoric impact. 由于火山爆发和陨星的撞击,类似于月球上的环形山地在地球上产生了。
- At the Galapagos Rift, volcanic activity beneath two geologic plates renews the earth's crust. 在加拉帕戈斯裂谷,两地质板块下面的火山活动使地壳更新。
- Active faults and lineaments, and recent volcanic activity were re-examined. 对活断层,线状区和近代火山活动都重新作了研究。
- Earthquake:a sudden movement of the earth's crust caused by the release of stress accumulated along geologic faults or by volcanic activity. 地震:由于地质断层积聚的压力被释放或由于火山活动引起的地壳的突然变动.
- The sand, which is formed by dark green crystals called olivine, is brought to the surface by volcanic activity. 这片绿沙由称为橄榄石的墨绿色结晶体形成,被火山活动带到地表。
- Craters resembling those on the moon are produced on the earth both by volcanic activity and by meteoric impact . 由于火山爆发和陨星的撞击,类似于月球上的环形山地在地球上产生了。
- Volcanic activity on Mars has pocked the landscape with craters and fissure vents (above), from which lava once spewed. 火星上的火山活动,使得火山表面坑坑洼洼,布满了火山口和裂缝口(上图),而火山熔岩正是从这里喷涌而出的。
- Contemporaneous volcanic activity is represented by basic to intermediate lava and tuff. 同时期的火山活动性是由中性熔岩与凝灰岩呈基性而体现出来的。
- The team aims to provide the Montserrat Volcano Observatory with round-the-clock coverage of volcanic activity. 研发团队要提供蒙特塞拉特火山观测站全天候火山活动的所有详细资料.
- One hypothesis relates the formation of Chasma Boreale to underlying volcanic activity. 有一种猜测认为博勒拉峡谷的成形与火山的地下活动有关。
- Ward says long ago volcanic activity spewed carbon dioxide into the air and warmed the oceans. 沃德说,很久以前火山活动把二氧化碳喷放到空气中,致使海洋升温。
- Volcanic activity began on Krakatau on May 20, and on August 26 Krakatau began to erupt violently. 从5月20日开始,喀拉喀托火山开始活动,到了8月26日这天火山开始喷发.;到了第二天,既是8月27日这天。