seismic active belt 地震活动带
seismic active area 地震活动区
seismic active trend 地震活动趋势
seismic active fault 地震活断层
seismic active cycle 地震活动周期
seismic active stage 地震活跃时段
seismic active period 地震活跃期
seismic active screen 地震活动幕
seismic active region 地震活动区
The Hindu Kush-Baikal zone is an important seismic active belt of east-north in Asian continent.
兴都库什—贝加尔带是亚洲呈北东向展布的重要地震活动带。
The distribution of hypocenters shows that there are two major seismic active belts in the northwestern Beijing.
震源位置分布表明，北京西北地区存在两条主要的地震活动断裂带。
Seismic loading should be taken into account while constructing submarine pipelines in the seismic active zones.
在地震活动区铺设海底管道必须考虑地震荷载的作用。
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