The Earthquake Hazards Program (EHP) is part of the US Geological Survey (USGS), and is also part of the National Earthquake Hazards Reduction Program (NEHRP).是什么意思_The Earthquake Hazards Program (EHP) is part of the US Geological Survey (USGS), and is also part of the National Earthquake Hazards Reduction Program (NEHRP).在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句