基本烈度，是指在今后一定时期内，在一般场地条件下，可能遭受的最大地震烈度。基本烈度是在地震区进行建筑设计的主要依据。 有了基本烈度，才能在此基础上按建筑物的重要性根据规范选取设防标准，之后才能按规范进行工程设计。
地震基本烈度 basic earthquake intensity ; seismic basic intensity ; basic seismic intensity ; basic intensity
地震[基本]烈度复核 checking of basic seismic intensity
基本地震烈度 basic earthquake intensity ; basic intensity
然后对结构在基本烈度和罕遇烈度地震作用下的抗震性能进行评估。
Then, the paper evaluated the anti-seismic performance of the structure under basic and rare earthquake intensity.
地震基本烈度是指某地区今后一定时期内，在一般场地条件下可能遭受的最大烈度。
The basic seismic intensity of a region is defined as the maximum intensity to be suffered within a given interval of time in the future under the site condition of that region.
结果发现区划图上所提供的基本烈度大致相应于50年内超越概率为0.14的烈度水平。
It is discovered that the Basic intensity offered by the Zoning Map is roughly equivalent to an average intensity level with exceeding probability of 0.14 in 50 years.
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