size frequency distribution

基本解释

The life property, the distribution and relationship of some organisms with the environment are discussed according to their size-frequency histograms and survivorship curves.
据一些种群的大小频率直方图和生存曲线讨论了部分生物的生存特征、空间分布及其与环境的关系。
With a corpus of French, we use a computer program to assess the students vocabulary usage in their compositions in terms of total size, actual size, frequency and distribution of graded words.
通过建立法语语料库，利用计算机程序提供的词汇总量、实际词汇量、词频和词级分布率等信息，对学生作文中使用的词汇进行测量，评价学生掌握和运用法语词汇的能力。
The effect of rules and the accuracy distribution of word extraction of RMMFS and BMMFS in different text size and word frequency are studied. Experiments show that BMMFS can get better result.
实验研究了抽词准确率受规则的影响及随文本大小和词频变化的分布，结果表明BMMFS可以取得更好的抽词效果。