Many problems in sediment engineering involve dealing with river valley deposits as a whole . 泥沙工程中的許多問題都把河流的河谷沉積物作為一個整體來研究。
Zhangxianming , male , was born in shandong on may 27 , 1965 , majors in the study of channel engineering , river dynamics , sediment engineering and hydrodynamic ; meanwhile , he has been teaching several related courses 張賢明,男, 1965年5月出生,主要研究方向為航道工程、河流動力學、泥沙工程及水動力學,承擔了多門相關課程的教學工作。