1) IDF model
雨强-历时-频率模型
2) rainfall intensity-duration-frequency
降雨强度-历时-频率
3) the increase of diachronic frequency
历时频率的增高
1.
I observe and study the external reasons of the development from the use of interrogative to non- interrogative through the increase of diachronic frequency, the observe of politeness principle and the increase of subjective perspective views based on previous scholars’studies.
现代汉语中疑问代词“什么”的非疑问用法非常复杂,而且出现得频率很高,这种语法化现象已经引起了各家学者的重视,本人在前人研究的基础上,从历时频率的增高、礼貌原则的遵守、主观化的增强三个角度入手,对“什么”从疑问用法到非疑问用法演变的外部动因进行考察和研究。
4) rainfall duration
降雨历时
1.
Rainfall intensity and rainfall duration play a major role in the aspect of slope stability.
降雨是引起边坡失稳的主要原因之一,其中降雨强度和降雨历时在边坡稳定相方面起主要作用。
5) duration of storm rainfall
暴雨历时
6) frequency model
频率模型
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
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条