高烈度区 meaning in Chinese

highly seismic region

China is among the countries where earthquakes take place most frequently in the world . 60 percent of the areas have high earthquake intensity , and sand liquefaction is the main reason that causes seismic disasters
我国是世界上地震多发国家之一，全国有60的地区处于高烈度区，而砂土液化是引起地震灾害的主要原因。
The earth dam had in the past usually been under severe impact during violent earthquakes . the rockfill dam with clay core in mania multi - purpose water project is constructed in high intensified areas , it is therefore imperative to have a thorough knowledge about the earthquake resistance of the dam
以往土石坝在强震中曾遭受过严重的震害，满拉水利枢纽工程土心墙堆石坝建立在高烈度区的土石坝，因此，了解和掌握满拉大坝的抗震性能是非常必要的。