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汉语拼音：zhèn yuán

地震时地下最初发出震动的地方。大多数位于地下数千米到数十千米，深者可达700千米。

• The point on the earth's surface directly above is called the epicenter.

  地表上直接对着震源的那一点称为震中.

• This requirement manifests itself in terms of multiple sources.

  这一要求本身表明要用多震源.

• The focal depth was about 6 mi.

  震源深度约6哩.

• The wave motion bears the Key signature imparted by the nature and extent of the source.

  波动具有由震源的性质和范围造成的主要特征.

• The common - depth - point technique merely means the manifold repetition of each reflection observation with different source - detector geometry.

  其深度点技术仅意味着用不同的震源 ― ―检波器的分布形式多次重复每个反射观测.

• The common - depth - point technique merely means the manifold repetition of each reflection observation witn different source - detector geometry.

  其深度点技术仅意味着用不同的震源 —— 检波器的分布形式多次重复每个反射观测.

• The subsurface coverage is from 13 to a point halfway between 24 and the source.

  地下覆盖段是从13道到24道至震源的中点.

• Depths of these hypocenters concentrate at about 12 km deep in the upper crust.

  这些震源深度集中在地壳上部约12公里处.

• The air passage of KZ - 28 vibroseis appeared icing phenomenon in winter operation.

  KZ-28型可控震源的气路在冬季施工过程中常出现洁冰现象.

• Ram pump and motor is wide used in various types of vibrator.

  各种型号的可控震源中广泛应用着柱塞泵和马达.

• The relation between soures S wave acceleration and magnitude is discussed.

  并探讨了震源S波加速度与震级的关系.

• The epicenter is the point on the surface directly above the hypocenter.

  震中:地面上正对着震源的地方.

• Vibration from the source reported, in the dissemination of the earth.

  振动从震源传出, 在地球中传播.

• From the epicenter of the distance to the source told focal depth.

  从震中到震源的距离叫震源深度.

• A portable, high - frequency, electromagnetic - wave vibrator system was developed.

  一种新型震源 ——— 电磁驱动式轻便高频可控震源,填补了空白.