rainfall area 中文意思是什麼
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It was shown from the result of analysis and comparison that the evaluation efficiency for the non - randomized cloud seeding operations could be improved by using appropriate physical covariate as control factor and increasing the correlativity between rainfall distributions in the control area and target area
比較分析的結果表明，只要不斷提高對比區和影響區的相關性和引入新的更有效的協變量，就可能提高非隨機化作業的效果評估效率，從而更好的檢驗人工增雨作業的效果。 -
In the end, cluster - analysis - based floating control historical regression method with uniform precipitation and atmospheric precipitable water as metoorological covariates could more validly evaluate efficiency of cloud seeding operations and significant level of ca - fcm method was higher than the other methods, because it adopted cluster analysis which highly improved the correlativity between rainfall distributions in the control area and target area, and used grid interpolation which enhanced exactness of calculating precipitation rainfall, and chose atmospheric precipitable water as the covariant which increased the inferential accuracy of natural rainfall on the cloud seeding operational area
最後，得到以降水量和整層大氣可降水量為協變量的ca - fcm方法，由於採用聚類分析（ ca ）方法，提高了對比區和影響區相關性；採用網格插值技術提高了雨量的計算準確度；引入了不受催化影響的物理協變量（整層大氣可降水量） ，提高了作業區自然降水量估計值的準確性；所以評估效果最好，顯著水平高於0 . 05 。 -
( 7 ) rainfalls can " deposit " the co2 in air, making it to take part in the process of karst, to dissolve and corrade carbonate rock. co2 concentration in soil become lower after heavy rainfall and become higher after general rainfall. ( 8 ) the value of chemical characteristic of soil water in the high elevation area is lower than that in the low elevation area
（ 7 ）降雨可以對coz產生影響， 「沉澱」大氣中的co : ，使其參與到巖溶作用中，溶蝕碳酸鹽巖;降雨對土壤空氣中coz的影響與雨強、雨量有關，降雨量、雨強較大時，土壤空氣中的c02產生受到抑制，降雨量和雨強較小時，土壤空氣中的coz濃度升高。 -
Results show that the spatial distribution of the precipitation of the west is very uneven and obviously different in every quarter ; the characteristics of precipitation is droughty and less - rain in almost all part in winter. plentiful in summer, spring and autumn are transition phases, rainfall of autumn is more than that of spring in the most of region ; relative variability of each season rainfall is bigger than that of year, the variability is biggest in winter, but smallest in summer. alike between spring and autnmn and comprative in numerical value ; the area of least precipitation is in talimu basin and the northwest of chaidamubasin, not in the northwest of china
研究發現：西部地區年降水量的空間分佈極不均勻，局地差異大；冬季絕大部分地區乾旱少雨，夏季雨量豐沛，春秋季是過渡階段，大部分地區秋雨多於春雨；各季降水量的相對變率大於年變率，夏季最小，冬季最大，春秋兩季相似，數值上與冬季相差無幾；我國雨量最少的地區位於柴達木盆地西北部和塔里木盆地，並不在我國的最西北角。 -
The brightness temperature is highly related to the density of ice hydrometeor. since the convective cloud system is tilted, and the viewing angle is oblique, the area displacement between ice hydrometeor and the surface rainfall rate makes the relation between tb and surface rainfall rate is relatively small
但亮溫和地面降水強度之間的相關性較弱，這是由於該對流系統為傾斜的，冰相粒子和地面降水強度之間存在著位置上的不一致，並且觀測角為傾斜的。 -
The low latitude systems such as typhoon, etc. affect the rainstorm in plateau through direct and indirect action. the synoptic systems within heavy - hard rainfall stagnated in the most of this area. 4
4 、高原東北部地區大到暴雨的雲圖特徵大都為不同性質雲系的疊置，可為高原及其鄰近地區的暴雨預報提供重要的依據。 -
The positive and negative anomaly centers at 500hpa level formed the anomaly " wave train " from lower latitude to higher latitude over east asia. the teleconnection pattern called east asia - pacific pattern ( eap ) plays important roles in the summer rainfall in shandong area. study shows that weaker okhotsk sea high, northward location of subtropical high and stronger indian low, are likely to lead to more rain in shandong province in summer
分析對比旱澇年不同層次高度場以及高低層散度場，結果發現，在春夏季旱澇年，高度場幾個主要的距平中心以及115 130 e區域高（ 200hpa ）低（ 925hpa ）層散度場基本呈現出反位相分佈特徵，北半球夏季存在的東亞-太平洋遙相關型（ eap型）對山東夏季降水產生重要影響。 -
The results indicated that the ree tracer technology has high precision to quantify the spatial - temporal process of soil erosion ; in earlier rainfall course, the development degree of sheet and nil erosion was general equation ; otherwise in the following course, the rill erosion was dominant in the total erosion, its average erosion acceleration and the average erosion rate was 15 and 9 times of sheet erosion, respectively ; in the end of experiment, the rill erosion took up 90 % of total erosion amount ; the section of slope bottom occupying about 1 / 3 slope area was active erosion segment in this experiment
結果表明： ree示蹤技術對定量研究土壤侵蝕具有較高的精度；降雨前期，片蝕與細溝侵蝕發育程度基本相當；後期細溝侵蝕占據坡面侵蝕的主導地位，其侵蝕平均加速度和平均侵蝕率分別是片蝕的15倍、 9倍；試驗結束，細溝侵蝕占據坡面總侵蝕的90 % ；本試驗條件下，坡面下1 / 3區域為侵蝕活躍帶。 -
Yueyang is a wettish area of confienental subtropical monsoon with mild climate, plenty of rainfall and four distinct seasons. annually, the average temperature is about 17, the average precipitation is 1387. 93. mm, the average sunlight time is 1680 hours, and the frost - free period lasts 270 days
岳陽市屬亞熱帶季風濕潤氣候區、氣候溫和、雨量充沛、四季分明，年平均氣溫17左右，多年平均降雨量1387 . 93毫米，年平均日照1680小時，無霜期270天。 -
( 5 ) parameterization of infrared satellite cloud imagery and its application in rainfall predication obvious correlation exist between the probability of rain and parameterization estimate such as average brightness temperature ( tb ), brightness temperature variance ( f ), equivalent cloudage ( cn ), brightness temperature area index ( al - the first a5 - the fifth grade, a6 - the sixth grade )
（ 5 ）衛星雲圖參數化及在降雨預測中的應用紅外衛星雲圖參數化估計值，與局地降雨過程的發生、發展具有較為密切的關系。相關較密切的參數有平均亮溫、亮溫方差、等效雲量、亮溫面積指數（ 1級、 5級、 6級） 。 -
Changsha weishan tea industry co., ltd locates in beautiful hunan weishan scenery area, which is a small hilly basin with plenty of rainfall amount and great day - night temperature difference
長沙溈山茶業有限公司位於風景秀麗的湖南溈山風景名勝區，高山小盆地，雨量充沛，晝夜溫差大。 -
Could there exist another possibility for the south boundary of the system as follow : the rainfall infiltrates in the outcrop carbonate - mountain area of western, and moves towards south and deeper along carbonate rocks, then moves upper through the overlain tertiary system ( n ) with a thickness of 400m ( instead of running off to the springs and yellow river through a long approach of least hydraulic gradient ), and then mainly transforms into the horizontal drainage in the loess layer of quaternary, finally drains in lu - botan depres sion
並且提出，關于對系統南界的認識，是否存在另一可能：即在西部碳酸鹽巖裸露區大氣降水入滲后，沿碳酸鹽巖向南向深部運動，然後，並非在極小的水力坡度驅動下長距離地向東部黃河、泉群徑流排泄，而是通過上覆厚度約400m的第三系向上運動，繼而主要在第四系黃土層中轉為向南水平排泄到鹵泊灘。 -
( 4 ) the correlations are significant between the sth position index and the general circulation. in the westerly ( easterly ) year, equatorial westerly is weaker ( stronger ), cross - equatorial flow is weaker ( stronger ), south china sea summer monsoon is weaker ( stronger ), the yangtze river valley westerly is stronger ( weaker ), which has the positive ( negative ) effect on the maintenance of rain band over the yangtze river valley, so the rainfall is more ( less ) in this area and it is hit by floods ( droughts ), vice versa
（ 4 ）本文運用定義的副高指數研究了六月份副高偏東偏西年份的大型環流特徵及其對我國東部天氣的影響，風矢量場和相關場分析結果表明：副高偏西（東）年，赤道西風減弱（增強） ，越赤道氣流偏弱（增強） ，南海夏季風偏弱（強） ，而長江流域西風增強（減弱） ，有（不）利於雨帶在江淮流域維持，該地區降水偏多（少）易澇（旱） 。 -
As for western mountainous area of beijing, the key factor of survival lies in whether it can stand the drought environment factors, such as less rainfall, higher air temperature, lower humidity and less soil water, etc
就北京西部山區而言，林分存活與否的關鍵在於其是否能夠經受住春季降雨少、氣溫高、濕度低、土壤殘留水分少等乾旱環境的考驗。 -
The common character is impound and infiltration use of rainfall runoff by changing the plane shape of surface soil. water infiltration area is the area of water use
共同的特點是通過改變地表平面微地形下墊面，就地攔蓄入滲利用降雨徑流，入滲區即為利用區。 -
A filed study on soil nutrient loss of different slope landuse types in the xiaolangdi gorges reservoir area was conducted under simulated rainfall
摘要通過野外模擬降雨試驗，分析了撂荒荒坡、林草間作、農林間作、造林林地和坡耕地翻耕種植玉米、坡耕地翻耕休閑6種利用方式下的土壤流失特徵。 -
It was found that the " key regions " from which moisture transports influenced shandong summer rainfall lies in tropical india ocean, south china sea to tropical west pacific, china mainland to japan sea and the upstream area in westerly belt by analysis of svd method on water vapor transport
夏旱年則相反。通過對旱澇年水汽輸送與山東夏季降水的相關分析，山東夏季降水和水汽輸送svd分析，發現：影響山東夏季降水的水汽輸送「關鍵區」主要位於熱帶印度洋、南海-西太平洋、中國大陸-日本海以及山東上游西風帶地區。 -
However, it lacks runoff data in absolutely most areas where culvert and small bridge locate. some traditional design method, such as the methods of statistic zone parameter, modification by catchment area, rainfall - runoff, reasoning formula and empiric equation et al, are used to estimate flood flow through culvert or bridge
然而，絕大多數中小橋涵所在地卻沒有可利用的徑流資料，通常採用統計分區法，面積改正法、暴雨徑流法、推理公式和經驗公式等傳統設計方法，這些方法一般比較繁瑣、精度較低、設計的流量偏大，導致工程造價偏高而浪費資金。 -
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。 -
When the heat source over philippines is abnormally weak, the western pacific subtropical high abnormally extends southward, and the main rainfall area is located in the south of the yangtze river, mostly affected by the eastern asian subtropical summer monsoon
熱源異常弱年，副熱帶高壓異常偏南，中國雨區位於江南地區，主要受副熱帶季風的影響。
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