effective questioning in class有效课堂提问
effective teaching in class有效课堂教学
effective demand in marriage婚姻有效需求
effective and in order高效有序
effective teaching in classroom有效课堂教学
Effective feed in motion有效送布量
effective quality in practice实践有效质
effective field in dielectrics电介质有效场
Effective Leadership in Education有效地教育领导