雨量頻率分析 的英文怎麼說

中文拼音 [yǔliángbīnlǜfēnxī]
雨量頻率分析 英文
intensity frequency analysis
  • 雨 : 雨名詞（從雲層中降向地面的水） rain
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 頻 : Ⅰ形容詞（次數多） frequent Ⅱ副詞（屢次） frequently; repeatedly Ⅲ名詞1 [物理學] （物體每秒鐘振動...
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 析 : Ⅰ動詞1. （分開; 散開） divide; separate 2. （分析） analyse; dissect; resolve Ⅱ名詞（姓氏） a surname
  • 雨量 : rainfall; hyetal
  • 頻率 : frequency; rate
  1. The precipitation frequencies is analysed according to 1956 ~ 2000 years of rainfall record series in baoding area. the features of distribution of rainfall are detailed evaluated. firstly, the distribution of monthly precipitation is not even. for instance. the annual rainfall amount is about 548mm in whole year, about 80 % of them in summer season. secondly, yearly variation of rainfall is greater. thirdly, the abundant years usually are followed by short years, but the important changes have taken place in the last decades. before 70 ' s the abundant years took the dominant position, from the 70 ' s to the middle of 80 ' s the short years took place more frequently than ever. after the later of 80 ' s, the short years hold the main position. the above knowledge is instructive for guiding the rainwater resources effective utilization

    本文利用1956 2000年保定市的長系列降雨資料，對保定市降水量進行了頻率分析、年內變化分析和多年變化分析，明確了保定市降水量年內、年際間的變化情況：保定市降水量年內分配不均，汛期（ 6 - 9月）占年降水量的81 。保定市降水量年際間變化大，豐水年和枯水年交替發生， 70年代以前以豐水年段為主； 70年代到80年代前期降水量豐枯交替頻繁，總的接近於枯水年段； 80年代後期至今以枯水年段為主。這種降水分佈規律對農業生產雨水資源的高效利用具有重要的指導意義。
  2. Affected by the subtropical monsoon climate, jiangsu province is one of the provinces which have much natural disaster and drought, steady rain, waterlogging are its primary meteorological disasters. using citystar 3. 0, city star gis and reasonable indicators for disaster estimation, this paper progresses evaluation and analysis for its primary meteorological disasters such as drought, steady rain and waterlogging. in this work, the frequency of disaster and the risk to agriculture are taken into accounted

    因此，本文以該地區為例，選用影響該省主要氣象災害的定量指標，從災害出現頻率以及對農業生產帶來的風險出發，採用合理的災害風險評估指標，藉助于地理信息技術gis的空間分析方法，以風險指數為區劃指標，劃分風險等級，分季節對該省的主要氣象災害乾旱、連陰雨、雨澇的嚴重程度進行了評估和分析，獲得了gis系統支持下的災害風險區劃專題地圖。
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