1示踪砂在泥沙学及其它技术领域中的作用示踪砂在泥沙学中的应用许多人虽然拥护和支持，但遗憾的是示踪砂技术在泥沙学中并不占主导地位。泥沙学者和水文学者应当熟悉它的可行性和局限性，应当进行符合情理的充分的比较，对每种方法进行科学和明确的对比。1．1示院砍在泥沙争中 Tracer sand in sedimentology and other technical fields Tracer sand in sedimentology Although many people advocate and support, but unfortunately tracer sand technology is not dominant in sedimentology . Sedimentologists and hydrologists should be familiar with its feasibility and limitations and should make sound and adequate comparisons, scientifically and explicitly comparing each method. 1.1 Institute cut in the mud dispute