对泥沙研究工作的期望（中国水利水电科学研究院副院长张启舜在第二届全国泥沙基本理论研究学术讨论会闭幕式上的发言）首先代表中国水对这次大会的成功表示衷心的祝贺，下面谈三点认识与期望．一、泥沙问题虽然不是水利建设的＂拦路虎＂，但却是各级领导和人们的＂心腹之... Expectation of Sediment Research (Speech by Zhang Qishun, Vice President of China Institute of Water Resources and Hydropower Research at the Closing Ceremony of the Second National Symposium on Sediment Basic Theory) First of all, on behalf of China Water, I’d like to express my heartfelt thanks for the success of this conference Congratulations, the following three points of understanding and expectations. First, although the problem of sediment is not a “stumbling block” of water conservancy construction, it is the “henchmen” of leaders and people at all levels ...