Both seismological theory and macroseismic observation show that the shape of strong motion response spectrum depends mainly on magnitude, distance of epicenter and engineering site condition.
地震学理论和强震观测都表明，强震反应谱的形状主要取决于震级、震中距和场地条件。
One factor that influences earthquake intensity is the distance to the epicenter of those who feel the earthquake's effects.
影响地震强度的一个因素是人们感觉到地震影响的震中距离。
type of waves can be used to estimate distance to the epicenter.
通常，波长较短传播较慢—但是破坏性要大的多—的S波会随之而来。 通过这两种波到达时间的差值可以估算震中的距离。
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。
At last, taking one earthquake as an example, this paper gives three dimension patterns of radius of the field with epicenter distance and azimuth as well as frequency.
最后，以一次地震为例，给出了孔径随震中距、方位角、频率变化的三维图象。
Longnan region is close to northland of Sichuan province, the shortest distance from Wenchuan-epicenter is only 200 km.
陇南地区紧邻四川省北部，距震中汶川最近距离仅200公里。
One factor that influences earthquake intensity is the distance to the epicenter of those who feel the earthquakes effects.
影响地震强度的一个因素是人们感觉到地震影响的震中距离。
One factor that influences earthquake intensity is the distance to the epicenter of those who feel the earthquakes effects.
影响地震强度的一个因素是人们感觉到地震影响的震中距离。
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