From a scientific standpoint, the magnitude scale is based on seismic records while the Mercalli is based on observable data which can be subjective.是什么意思_From a scientific standpoint, the magnitude scale is based on seismic records while the Mercalli is based on observable data which can be subjective.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句