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1)  frequency group
频率组
2)  combined frequency
组合频率
1.
Based on observation data in the basin,the stage design flood at the dam site is calculated by area interpolation method,compared with the maximal value of design flood,and the quantitative relations between them are also worked out by introducing the conception of combined frequency.
根据流域资料用流域面积内差计算出坝址分期设计洪水,并与全年最大值设计洪水进行对比分析,引进组合频率概念推导两者之间的量化关系。
2.
This paper investigates various combined frequency interference in integrated and double-converted transceivers, and points out that the reason is the non-linearity of frequency mixer and amplifier.
研究了一体化二次变频收发信机中各种组合频率干扰的产生原因:主要是由于混频器和放大器的非线性。
3)  frequency combination
频率组合
1.
In order to do a good work on flood control works and to seek for a better calculation method, this paper describes the theory and its application of frequency combination method and compares it with the traditionally used method via the practical examples.
为了搞好防洪工程 ,寻求一种好的计算方法 ,着重介绍了频率组合法的理论与应用 ,并以实例将其与传统习惯采用方法进行比较。
4)  Frequency grouping
频率分组
5)  recombination frequency
重组频率
1.
【Conclusion】 These results not only have provided evidences for the true existence of genes controlling recombination frequency, but also facilitate our further research on map-based gene cloning and molecular breeding.
【目的】尝试利用分子标记和QTL定位技术直接定位影响重组频率的QTL,探索物种遗传变异难易的分子基础。
6)  type frequency
组字频率
1.
Both the type frequency and the token frequency of phonetic component showed facilitating effect in character naming.
问题与方法:探讨在快、慢速两种刺激呈现条件下,声旁的组字频率和使用频率在整字和部件识别中的作用。
2.
Effects of type frequency and token frequency on Chinese character recognition were explored in two experiments.
用识别整字和识别部件两种任务探讨两种声旁频率——组字频率和使用频率的作用。
补充资料:频率计量(见时间频率计量)


频率计量(见时间频率计量)
frequency metrology: see time and frequency metrology

  口n IQ liliang顷率频率计皿(f比quency metrolo盯) 计t。见时闰
  
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