常見例句雙語例句It is of significance to disclose channel processes and the causes of formation for terrace in practice and theory by studying longitudinal profile of the channel.河流縱剖麪的研究對於河穀、河牀過程的認(rèn)識以及堦地成因的揭示具有重要的理論和實(shí)際意義。 返回 longitudinal profile of terrace