1) precipitation frequency
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降水频率
1.
The results are as follows: increase of total precipitation in northwest China is due to precipitation increase in WNWC; both precipitation frequency and intensity have increased in WNWC, while the intensity and frequency hav.
结果表明:西北地区降水量的增多主要是西北西部降水量的增多引起的;西北西部年降水频率呈增加趋势,年平均降水强度也呈增强趋势,而西北东部年平均降水强度增强,年降水频率却呈显著减少趋势。
2) reducing work frequency
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降低频率
1.
Based on an S injection method of reducing work frequency,a novel signal generator is developed.
介绍一种降低频率的S注入法信号发生装置。
3) rainfall frequency
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降雨频率
1.
Based on the experimental data from Guilin Irrigation Experiment Station in Guangxi Autonomous Region,the relation of rainfall utilization and surface runoff in paddy fields under different rainfall frequency and different irrigation regimes is studied;i.
对广西桂林不同降雨频率与不同灌溉方式下的降雨利用、径流量分析研究表明,晚稻降雨利用率远高于早稻;早稻在"薄、浅、湿、晒"、间歇灌溉、传统灌溉模式下降雨利用率随降雨频率的增加呈缓慢上升趋势,而晚稻节水灌溉模式下呈上凸趋势;早稻全生育期和晚稻分蘖期、拔节期径流量很大,对肥料流失产生不利影响。
6) frequency corresponding method of precipitation-runoff
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降水径流频率相应法
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