Comparative Therapeutic Effect and Beilapuli in Hypertension;
奈必洛尔与贝拉普利对高血压患者疗效比较
Taking four large dams of Aswan, Glen Canyon Dam, Hoover Dam and Tarbela Dam as examples, comparison is made on features of sedimentation under the same index, based on investigations of siltation process after dam construction and amount, shape and location of sedimentation in the upstream reservoir and river courses.