释义 |
地震震级dìzhèn zhènjí划分震源放出的能量大小的等级。释放能量越大,地震震级也越大。地震震级分为九级。一般小于2.5级的地震人无感觉;2.5级以上人有感觉;5级以上的地震就会造成破坏。{earthquake magnitude; energy released from a seismic focus. The greater the energy, the bigger the magnitude, which is divided into nine degrees according to the Richter scale. Earthquakes below magnitude 2.5 on the Richter scale cannot be felt by human beings; those above 2.5 can be felt; those above 5 will cause damage.}简称{abbr.}震级{zhènjí}。 |