降雨變率 的英文怎麼說

中文拼音 [jiàngyǔbiànlǜ]
降雨變率 英文
rainfall variability
  • 降 : 降動詞1. （投降） surrender; capitulate 2. （降伏） subdue; vanquish; tame
  • 雨 : 雨名詞（從雲層中降向地面的水） rain
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 降雨 : rainfall降雨持續時間 time of the duration of rainfall; 降雨歷時 rainfall duration; 降雨時數 rainf...
  1. 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。
  2. 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。
  3. The runoff has been created in mountain and waters or neighboring regions, and it is 90 percent of the total in rainy season ; the total amount of precipitation is 7. 08x109m3 in accordance with real amount, about 6. 46 x 109m3or so, and it is 9. 06 x 109m3in the rainy years, 5. 66 x 109m3 in the drying years. there is 3. 46 x 109m3 difference between them. so precipitation has a great influence on runoff

    在青海共和盆地，降雨產流主要在山區和水域附近，而且雨季產流占總徑流量的90 ；盆地降雨的總產流量為7 . 08億m ~ 3 ，豐水年為9 . 06億m ~ 3 ，枯水年為5 . 66億m ~ 3 ，因此徑流量受降雨量年變率的影響很大。
  4. Laws about volumetric moisture content changes and wetting deformation in unsaturated zone are analysed according to different rainfall intensities and duration by saturated - unsaturated seepage theory in this text

    摘要運用非飽和滲流理論分析了不同降雨強度和降雨持續時間對土壩非飽和區含水率變化規律。
  5. The result shows soil masses in surface layer reach saturation more easily under great rainfall intensity and long - lasting rainfall, at the same time, there are big infiltration depth and influence of wetting deformation

    結果顯示，降雨強度越大、降雨持續時間越長，非飽和區土體含水率變化也大，壩坡表層土體較容易達到飽和，並且降雨影響深度也大，對壩坡表面濕化裂隙的產生及壩坡穩定性影響大。
  6. Then, after computing xpd induced by rain, its forecast model at different propagation distance is found. this paper also discusses the relation of reflectivity of rain with rainfall rate, taking different polarization wave into account, and that of fog with visibility

    在研究了雨、霧介電特性的基礎上，計算了雨的去極化解析度，得到了不同頻率、不同傳播距離的去極化解析度預報模型；計算了不同極化狀態的波的反射率隨降雨率的變化規律。
  7. On the basis of the theory about water potential in soils, a partial differential equation of water movement in unsaturated soils is derived, which chose volumetric water content as the control variable. the numerical solution of the equation using finite difference method is discussed in this paper, and the modality to calculate water movement in slope considering rain infiltration

    基於非飽和土的土水勢理論，本文推導了以體積含水率為因變量的二維非飽和土的水分運動方程，並給出了用有限差分法來求解此偏微分方程的方法，得到了考慮降雨入滲影響的土坡水分運動的計算程式。
  8. The following parts are the research results : the temporal variation character of sediment yields of the experimental watershed model. the average sediment transport ratio of every rainfall takes on obvious period character with the developing process of the experimental watershed model. early developing period ( from the first rainfall to the fifth rainfall ), active developing period ( from the 6th rainfall to the 18th rainfall ) and stable developing period ( from the 19th rainfall to the 25th rainfall ) are defined

    流域模型侵蝕產沙時序變化特徵次降雨平均輸沙率隨流域模型發育過程表現出明顯的時段性，即發育初期時段（第一場到第五場降雨） 、發育活躍時段（第六場到第十八場降雨）和發育相對穩定時段（第十九場到第二十五場降雨） 。
  9. And the cutting rate to runoff energy is falling with rainfall energy increased

    降雨動能越大，對徑流能量的削減率逐漸變小。
  10. With the exception of sophora viciifolia, the transpiration rates for all plants were lowest in august

    蒸騰速率季節變化曲線與降雨量季節變化一致，持續乾旱可導致植物蒸騰速率顯著降低。
  11. The biggest diurnal albedo is 0. 24 and the smallest 0. 11. moreover, the peak occurs on the day that radiation is very strong and the soil surface is dry and the valley appears on the day that rainfall is much more before this day and the soil water content of upper layer is high

    就反射率的日際變化而言，最大反射率為0 . 24 ，最小為0 . 11 ，相差一倍以上，其峰值均出現在輻射比較強，地表比較乾燥的日期，而谷底一般是在前期降雨較大，表層土壤濕潤時出現。
  12. Topography fractal dimension related with process of development of watershed physiognomy and represented degree of watershed development, v ) sediment yield intensity of watershed model reflected erosion characteristic of watershed model in different development phase. simulating experiment indicated that sediment yield intensity took on the trend that they changed from small to big then decreased gradually. the relationship of average sediment transport rate and sediment yield rate per mm rainfall with topography fractal demension is expressed by gaussian model and this model is similar with relationship between volume and surface area

    （ 5 ）流域模型產沙強度的變化反映了流域模型在不同發育階段的侵蝕特徵，模擬試驗研究結果表明：在整個流域模型地貌地貌的發育過程中，其產沙強度呈現由小到大，然後又逐漸減小的總體趨勢，流域模型單位降雨產沙率及平均輸沙率與地形分維數表現為gaussian模型關系，其關系形式與結論3中相對體積和表面積之間關系相似，進一步說明了以地形分維數表達地形變化的合理性。
  13. Based on the principles of runoff agriculture and sloping fields runoff moisture balance of natural precipitation, the dynamical regularity of soil moisture in rainfall and fertilizer harvest terrace was studied, which can provide a scientific basis for improving the utilization of natural precipitation

    摘要應用徑流農業和坡地降雨徑流水量平衡原理，對代表燕遼低山丘陵區典型區域不同平坡比的集流聚肥梯田土壤水分動態變化規律進行了研究，為提高該區自然降水利用率提供了科學依據。
  14. They ' re blasting away at snow in alaska. the avalanche danger is high in alaska ' s capital city after steady rains and warmer temperatures. so far there are no orders to evacuate

    他們正在炸開阿拉斯加州的積雪。經過持續的降雨以及氣候變暖，阿拉斯加州首府發生雪崩的幾率極大。迄今為止，仍沒有疏散人們的命令。
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