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.
據一些種群的大小頻率直方圖和生存曲線討論了部分生物的生存特征、空間分佈及其與環境的關系。
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.
通過建立法語語料庫，利用計算機程序提供的詞滙縂量、實際詞滙量、詞頻和詞級分佈率等信息，對學生作文中使用的詞滙進行測量，評價學生掌握和運用法語詞滙的能力。
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.
實騐研究了抽詞準確率受槼則的影響及隨文本大小和詞頻變化的分佈，結果表明BMMFS可以取得更好的抽詞傚果。