查询词典 epicentral

This article applies the elastic-plastic finite element theory to analyze the dynamic response of the large cross-section tunnel under seismic load,and it also discusses the influence of different damping ratios,site conditions and different epicentral distances on the dynamic response.

文章运用了弹塑性有限元原理分析了大断面公路隧道在地震荷载作用下的动力响应分析，并讨论了不同的阻尼比、场地条件和震中距对振动响应的影响。

Brigades, and individuals in the epicentral area made their own evacuation

出了撤离的决定，没有等待向更高层请示就这样做。

Surely occur "How large will the epicentral area be?"

显然，在李将军的头脑中，(1)一个强震肯定将发生〔&震中区有多大？&

Degrees epicentral intensity, and damage to an area 500 kilometers long vertical.

震中裂度为度，破坏面积纵长500公里，北京城内故宫破坏严重。

The parameters of Clough-Penzien spectrum related to incident direction, site conditions, intensity, and epicentral distance, were given.

本文还从工程抗震设计的实用角度出发，给出了基于Clough-Penzien谱的与地震波入射方向、场地条件、地震烈度和震中距有关的平稳谱参数取值。

On the basis of the migration feature as well as relation between anomalous time and epicentral distance, five signs and three steps for predicting risk region of strong earthquake are given,which are tested by three earthquakes.

根据迁移特征和异常时间与震中距的关系提出了预测强震危险区的5个标志和3个步骤，并用几个震例进行了检验。

Using these tools, we can extract the epicentral spatial distributed characters in north China at variant scale levels, and supply evidences for identifying the law of distribution of moving conformation.

利用这一工具，可对华北地区不同尺度下的震中空间分布特征进行提取，并为该区活动构造的识别提供依据。

The pattern of alleged precursors tends to vary greatly from one earthquake to the next, and the alleged anomalies are frequently observed at only one point, rather than throughout the epicentral region.

不同的地震之间这些所谓的预兆形式都各不相同，并且这些所谓的异常一般都只在某个点上被发现，而不是在整个震中地区。

The epicentral locations of strong earthquakes with M＞6.0 in Yunnan region are closely related to the Swave velocity distribution.

云南地区的强震（M＞6.0）震中位置与S波速度分布图像具有明显的相关性，主要分布于高速与低速的过渡区域。

Based on the intensity attenuation model, we have proposed the Grid Searching of Trial Source Location method for estimating earthquake magnitudes and bounding epicentral regions, and the confidence value of contours are also calculated.

在衰减模型基础之上，发展了确定震中区域和震级的网格搜索试算方法，并给出了确定震中位置和震级的等值线置信值。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。