預報時效 的英文怎麼說

中文拼音 [yùbàoshíxiào]
預報時效 英文
period of validity
  • 預 : Ⅰ副詞（預先; 事先） in advance; beforehand Ⅱ動詞（參與） take part in
  • 報 : Ⅰ動詞1 （告知; 報告） report; declare; announce 2 （回答） reply; respond; reciprocate 3 （答謝）...
  • 時 : shí］Ⅰ名1 （比較長的一段時間）time; times; days:當時at that time; in those days; 古時 ancient tim...
  • 效 : Ⅰ名詞（效果; 功用） effect; efficiency; result Ⅱ動詞1 （仿效） imitate; follow the example of 2 ...
  • 預報 : [訊] forecast; forecasting; prediction
  • 時效 : 1 （在一定時間內能起的作用）effectiveness for a given period of time2 [法律] prescription3 [冶金...
  1. In the database establishment of the sandstorm and application, the information remote sensing of the sandstorm is solved and translated and monitored, sandstorm climate origin cause of formation and prewarning of sandstorm is it predict comprehensive research and development and application of technology respect in at home leading competence to predict, having improved the prescroption predicted in sandstorm prewarning greatly, obviously improving the pilosity area of sandstorm of our country will predict competence and public service ability to the prewarning of the sandstorm

    在沙塵暴數據庫建設與應用、沙塵暴信息遙感解譯和監測、沙塵暴氣候成因以及沙塵暴的預警預報預測綜合技術的研發和應用等方面處于國內領先水平，極大地提高了沙塵暴預警預報的時效性，明顯提高了我國沙塵暴多發區對沙塵暴的預警預報水平和公共服務能力。
  2. It was pointed out that the horizontal distribution of the moist available energy is helpful for heavy rainfall, and one of the enhanced mechanism of mesoscale low vertox is slantwise vorticity development

    同時指出，濕有效能量的水平分佈對于暴雨預報具有一定的指示意義，傾斜渦度發展是中尺度低渦加強的機制之一。
  3. Based on perspective model, it was proposed that drawing camera inner parameters with physics method ; in image processing, especially the particularity of robot object localization and tracking, it was proposed that several effective methods of image smoothing and sharpening, edge detection, boundary tracking ; at the same time, in order to complete object recognition, we introduced the methods of drawing object character parameters ; in object image matching, two kinds of effective object matching arithmetic was proposed ; based on the principle of object 3d information restoration, we proposed two kinds of arithmetic of 3d coordinate restoration of object feature points, and completed object movement parameters estimate and object tracking and prediction, and presented experimental result

    以透視成像模型為基礎，提出了用物理方法來提取攝像機內部參數；從圖像處理角度出發，針對機器人目標定位與跟蹤的特殊性，提出了幾種行之有效的圖像平滑、銳化、邊緣提取以及邊界跟蹤的方法；同時，為了完成目標的識別，介紹了目標特徵參數的提取方法；在目標圖像匹配上，提出了兩種快速有效的目標匹配演算法；基於目標深度信息恢復原理，提出兩種目標特徵點三維坐標恢復的方法，同時完成了目標運動參數估計和目標的跟蹤與預報，並最後給出了實驗結果。
  4. Gale warning areas : kwangtung, taiwan strait, pratas, paracel, tonkin, scarborough, bashi and balintang. general situation at 120900 utc : the intense northeast monsoon is affecting the forecast areas. marine forecast for 24 hours from 121300 utc : hong kong n to ne 5, ocnl 6

    船舶天氣預報沒有警告。協調世界時01日21時天氣概況：東北季候風持續影響各預報海區。由協調世界時02日01時開始生效的24小時船舶天氣預報：香港=吹東至東北風4級，間中5級。
  5. Because meiyu rainstorm happens quickly, predicts in short time and often causes disaster. so study on the mechanism of mesoscale rainstorm system has a great value

    由於梅雨暴雨突發性強、預報時效短，常造成重大自然災害，研究梅雨暴雨中尺度系統的發生發展機理，具有重要的理論和實際意義。
  6. What the article discusses is to design a computer plotting system to solve the problems how to promptly and precisely study out the above mentioned location and plotting problems. considering the affects of all kinds of factors and leaving enough room, to scan the safety course in all directions, make forecast about the relative position of the ship and typhoon, the tendency of their movements, render a vital group of data and a direct diagram which the captain cares about, help the users to make the scientific and resonable decisions, to take correct and effective measures to keep away from and withstand typhoon early and resolutely, for all the practical problems in decision - making to keep away from typhoon

    本文所討論的就是為迅速和較為精確地解決以上點繪和相對運動標繪的問題，在考慮了各種因素的影響並留有充分餘地的情況下，在全方位范圍內搜索安全航向，對本船與臺風的相對位置以及兩者之間的動態發展態勢作出預報，並給出船長最關心的、對其作出避臺決策至關重要的一組數據和直觀圖形，幫助使用者及早制訂科學合理的避抗預案，及時果斷地採取正確有效的避抗措施，解決避臺決策的實際問題而設計的一個計算機標繪系統。
  7. At the present time the prediction method of attracting pest with black light and recognizing and counting by man is generally adopted. there are some serious shortages such as bad recognition accuracy and low efficiency. it reduces seriously accuracy and timeliness of prediction and is disadvantage in guiding insect disease prevention

    目前普遍採用的黑光燈誘集害蟲、人工識別計數的測報方法，存在識別準確性差、效率低等嚴重缺陷，極大地降低了測報的準確度和時效性，不利於指導農田害蟲的防治工作，因此本文提出了基於機器視覺和小波分析的圖像識別技術，用於農田害蟲的自動檢測預報。
  8. With the simulated results of the high resolution of space - time, from the aspects of thermodynamic, dynamical, moist available energy and moist potential vorticity, the direct effect mesoscale system was analyzed to this weather process, including mesoscale low level jet, mesoscale vortex etc. meanwhile, its features and physical mechanism of the formation and development are further discussed to seek for some basis for deeper research and storm rainfall forecast

    運用高時空解析度的模式結果，從熱力、動力結構、濕有效能量和濕位渦等多個角度，著重分析討論了對這次天氣過程有直接影響的低空急流、中尺度低渦等中尺度系統，探討了影響這次天氣過程的中尺度系統的發生、發展特徵和物理機制，試圖為更進一步的研究和暴雨預報提供一些依據。
  9. Abstract : in this paper we analyse some predictation approaches of random time series and by using arma model we predict effectually the weighted aggregative indexes of securities market in shanghai and shenzhen

    文摘:分析了隨機時間序列的統計預測方法，並利用arma模型對深滬市未來短期指數進行了有效預報。
  10. To prevent flood, adopting non - project measures is feasible and efficient marching measures in recent years in most of counties, adequately utilizing modern science and technology such as computer, information processing, net and communication, system emulation, artificial intelligence and so on to build system that can automatically survey and forecast water information, now plays a important role in grasping the information of rainfall, water and project, in making and selecting preliminary draft of flood control and dispatch, which can greatly raises the efficiency and flexibility of flood control, and has important realistic significance and social economic benefits in minimizing flood disaster

    充分利用現代科學技術，如計算機、信息處理、網路和通訊、系統模擬、人工智慧等技術，建立水情自動測報系統，對雨、水、工情的掌握，防洪調度預案的制定、選擇和實施都有重要的使用價值，可以大大提高防洪工程措施的防洪效能和防汛調度的靈活性，對減少洪水災害具有重要的現實意義和社會經濟效益。鬱江洪水預報與調度系統內容豐富，主要有： 1 、系統設計； 2 、系統洪水預報模型； 3 、系統實時校正模型； 4 、系統河道洪水演進模型； 5 、系統水庫調度模型。
  11. Hourly rainfall information derived from weather radars and raingauges is routinely ingested into the model for more effective simulation of rain systems fig. 4, allowing forecasters to make useful reference of the quantitative precipitation forecasts and precipitation trends provided by objective model guidance

    運作后，天氣雷達及雨量計的每小時雨量分析數據定規地被放到模式內圖表4 ，讓模式更有效地模擬降雨系統的演變，為預報員提供極具參考價值的定量降雨預報和降雨趨勢的客觀指引。
  12. Contrast experiment shows that multi - time factors can improve the quality of prediction equations and make effective rate reach 90. 0 percents and reduce sum of residual squares 23. 8 percents meanly

    對比試驗表明，多時刻因子可改善大多數預報方程的質量，有效率達90 . 0 % ；多時刻因子使預報誤差明顯減小，預報方程的殘差平方和平均減少23 . 8 % 。
  13. As an efficient approach to improve the accuracy of numerical weather prediction, four - dimensional variational assimilation is widely focused on by the domestic and overseas experts. one of its important characteristics is that the data in one time can influence previousanalysis results, which can not only provide the optimized initial condition but also make up observation datum ' s absence in some areas

    四維變分同化方法作為一種提高數值天氣預報的有效方法受到國內外專家的廣泛關注，其重要特點是一個時次的數據可以影響到它以前時間的分析結果，因此不但可以為數值預報模式提供初始場，而且可以對觀測資料不足的地區加以彌補。
  14. Compared with the cases of application between the dynamic model and static model, it is indicated that the method of time series analysis is an important and advanced forecasting method in statistical forecasting

    用時間序列動態模型與靜態多項式模型分別對縱向地表的沉降值進行預報和外推，跟實測值進行了對比，取得了良好的效果。
  15. The result shows that method has certain prediction efficiency for mediun - short term prediciton of 8 months

    結果表明，該方法對于時間尺度為8個月的中短期地震預報是有一定效能的。
  16. ( 5 ) real time updating is quite important for good forecast. however, if there is no new information joining the input of updating model, the neural network updating will not only lose its effective force but also bring even worse results

    （ 5 ）實時修正對預報模型很重要，但在沒有新資料信息輸入時，用神經網路作實時修正，反而會影響預報的效果。
  17. The results of forecast experiments show that the numerical model have fine forecast function, and that period of validity and accuracy of storm surge forecast depend on those of typhoon parameter prediction to a great extent

    預報結果表明本數值模式具有良好的預報功能，並指出其風暴潮預報時效和精度在很大程度上取決于熱帶氣旋氣象預報的時效和精度。
  18. The successful extension of the forecast period depends on the effective use of computer technology to enhance service quality in the past years

    今次預報時效得以延長，有賴天文臺多年來，善用電腦科技，提高服務素質。
  19. The hong kong observatory ( hko ) launches a new service - " 7 - day weather forecast " today ( december 30 ). the forecast period has been extended so that the public can conveniently gather more weather information to plan ahead their daily and festive activities

    香港天文臺於今日（十二月三十日）推出七天天氣預報新服務，延長預報時效，方便市民得到更多天氣信息，為生活中各項活動和節目，提早作出準備。
  20. When forecast temperatures are included in accordance with regional air navigation agreement, the maximum and minimum temperatures expected to occur during the period of validity of the aerodrome forecast should be given, together with their corresponding times of occurrence

    根據區域航空協議，當機場天氣預報包括氣溫預報時，則應提供預報有效期內的最高氣溫及最低氣溫預測，並且註明這些氣溫出現的時間。
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