occurrence frequency 出现频率 ; 发生频率 ; 出现率
word occurrence frequency statistics 词频统计
Paragraph Co-occurrence Frequency 段落同现频率
food occurrence frequency 食物出现率
landslide occurrence frequency 滑坡频率
frequency of occurrence [统计] 出现次数 ; 出现频次 ; [统计] 出现频率 ; 发生频率
co occurrence frequency matrix 同现频率矩阵
Each modal orientation is attached to certain modal expressions. By counting the occurrence frequency of the expressions, the proportion of each orientation can be calculated; furthermore, orientations of English and Chinese news reporting can be detected and compared.
每种情态取向都有其固定的情态表达方式，通过对各种情态表达方式在语篇中所占比例的统计，可计算出每种情态取向在语篇中的出现频率，进而比较英汉新闻语篇在情态上的取向。
参考来源 - 英汉情态取向在新闻语篇中的对比分析On occurrence frequency, there were 0.865 small seeds and 1.359 infertile seeds per fruit on average, i. e. , 3.5% for small seed and 5.6% for infertile seeds, the total ocurrence frequency being 9.1%.2.
饱满小种出现频率为3.5％，瘪粒小种子出现频率为5.6％，总的小种子出现频率为9.1％。
参考来源 - 尤力克柠檬（Citrus limon （L.）Burm.F.）小种子植株遗传多样性研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The left axis shows the probability, or relative frequency of occurrence, of various Chi Square values.
纵轴显示各 X 平方分布值的概率（或称为出现的相对频率）。
As above, this is a count of the number of distinct values and the frequency of their occurrence but now within the context of a set of data elements.
与前面一样，这仍是不同值的数量和它们的出现频率的计数，但这一次是在一组数据元素的上下文中。
The frequency distribution is stored in the metadata repository as a distinct set of values with their associated count of occurrence.
频率分布存储在元数据储存库中，其形式为一组不同的值和与之相关的出现次数计数。
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