单词	seismic velocity ratio
释义	seismic velocity ratio 波速比
随便看	moral education at universities Moral education at university moral education base moral education based on life moral education body moral education by practice moral education carrier moral education class moral education concept moral education content moral education course moral education courses in universities Moral Education Credit System moral education curriculum moral education curriculum in universities moral education ecology moral education effect moral education efficacy moral education element moral education emotion moral education environment moral education field strength moral education first moral education for all moral education for college students