摘要
目前包括教材在内的一些文献资料，对水文学课程中一些概念的使用，存在一定的问题，而为了教学的方便有必要引出一些新概念。本文针对这些问题，对水文学课程中频率等一些基本概念进行了剖析和探讨，并给出这些概念适当的定义或解释。这类问题的探讨，有助于水文学的课程建设。
There are some problems of conceptS used in hydxologic course according to material and hydrologic textbooks published. It is necessary for new conants to be gived in older toteach hydrology convniently. For the reason, the paper will discuss and analyse the basic concepts such as ferquence from hydrologic course, and give appropriate definition to the concepts. That ed help to teach the course better.
关键词
频率
分布函数
水文统计
水文学
教材
frequence, repeatal period, distribution function, hydrologic statistics
