It shows that since 1999 the seismic activity mainly belongs to the tectonic event based on a seismic spectral and time frequency analysis.是什么意思_It shows that since 1999 the seismic activity mainly belongs to the tectonic event based on a seismic spectral and time frequency analysis.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句