絕對變率 的英文怎麼說
中文拼音 [juéduìbiànlǜ]
絕對變率
英文
absolute variability-
The variation of the return rate constant k with different absolute temperature t deviates arrhenius empiric equation
反應速率常數隨絕對溫度的變化基本上符合阿累尼烏斯定理。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 product quality faces up to enormous domestic and international markets challenge and the peasants face up to the slow increasing of their incomes. the shortage of water resource is more serious for the planted system, climatic change and low utilization ratio. cultivated land resource is reducing rapidly for nature factors and urbanization process, etc. the analysis results indicate the resour ces utilization mode in the hhh plain is still high investment, high - energy consumption, and grievous pollution
農產品生產在我國佔有絕對優勢,但其受結構調整的影響也發生了波動性變化,其產品質量面臨著國內外市場巨大的挑戰,農民收入也面臨著增長緩慢的挑戰;水資源受種植制度、氣候變化及利用率低等多種因素的脅迫作用,嚴重短缺;耕地資源近年來大量減少,受自然及城市化進程等因素的影響,稀缺程度加大。Because of the presence of the first - order sea echoes with dominant amplitude, the doppler resolution technique which based on the range - velocity transformation is needed to extract the targets information in hf radar
高頻雷達工作在擁擠的短波波段,由於絕對占優的一階海浪回波的存在,必須採用基於距離?速度譜變換的多普勒頻率分辨技術來處理雜波,以提取目標信息。Specially, based on risk - metric and factor variables, the author discusses multi - factor asset pricing model. in theoretical analysis, the author attempts to release the assumption of index ' s random walk, proves a portfolio selection model suitable for the linear index level moreover, based on assets un - exchangeable, the author brings forward asset pricing models for b - shares, h - shares and non - circulated - shares. the author also brings forward multi - factor asset pricing model based on risk - metric indices, such as coefficient of beta, standard variance, standard semi - variance, average absolute deviation, value at risk, and factor variables, such as circulated market equity, exchange ratio, short - term historical return
在理論分析時,作者嘗試放鬆指數水平滿足隨機遊走過程的假設,推導出指數水平呈線性趨勢的資產組合選擇模型;此外,作者基於資產不可交易這一假設,提出了b股、 h股和非流通股等情形的資產定價模型,並基於系數、標準差、標準半方差、平均絕對離差和風險價值等風險度量指標以及流通市值、換手率、短期歷史收益率等因素變量提出了四因素資產定價模型。Following the constant improvement of pc functions, the software development industry also promotes itself unceasingly and because of the prosperity of the software industry, industrial structures have a world shaking change. former manual, inaccurate and time - consuming works will now alter to be more precise and efficient due to the close merge of computer and software
也因為軟體產業的興盛,使得產業的結構起了極大的變化,以前因人為的不精確及費時的工作,在計算機搭配軟體的密切組合之下,使得工作精確度及效率不斷地提升,相信這絕對是人類智慧結晶的展現。The criminal rate of rural labor force appears probably more related to the poverty level than other factors, such as economic development, cultural changes, and educational level
造成城市犯罪率逐年攀升的原因有兩個,一是制度變遷導致的自然犯罪率上升,其二是城市絕對貧困群體數量的上升。Compared with the classical bp algorithm, robust adaptive bp algorithm possesses some advantages as following : ( 1 ) increasing the accuracy of the network training by means of using both the relative and absolute residual to adjust the weight values ; ( 2 ) improve the robustness and the network convergence rate through combining with the robust statistic technique by way of judging the values of the samples " relative residual to establish the energy function so that can suppress the effect on network training because of the samples with high noise disturbances ; ( 3 ) prevent entrapping into the local minima area and obtain the global optimal result owing to setting the learning rate to be the function of the errors and the error gradients when network is trained. the learning rate of the weights update change with the error values of the network adaptively so that can easily get rid of the disadvantage of the classical bp algorithm that is liable to entrap into the local minima areas
與基本bp演算法相比,本文提出的魯棒自適應bp演算法具有以下優點: ( 1 )與魯棒統計技術相結合,通過訓練樣本相對偏差的大小,確定不同訓練樣本對能量函數的貢獻,來抑制含高噪聲干擾樣本對網路訓練的不良影響,從而增強訓練的魯棒性,提高網路訓練的收斂速度; ( 2 )採用相對偏差和絕對偏差兩種偏差形式對權值進行調整,提高了網路的訓練精度; ( 3 )在採用梯度下降演算法對權值進行調整的基礎上,通過將學習速率設為訓練誤差及誤差梯度的特殊函數,使學習速率依賴于網路訓練時誤差瞬時的變化而自適應的改變,從而可以克服基本bp演算法容易陷入局部極小區域的弊端,使訓練過程能夠很快的「跳出」局部極小區域而達到全局最優。Based on the research results on ground resistivity anisotropy degree, load unloading response ratio and day by day ratio of daily variation amplitude of geomagnetic vertical component, spatial correlation of absolute value of geomagnetic vertical component of beijing 21 hour and spatial correlation of daily variation of geomagnetic vertical component, we analyze the synthetical characteristics of these anomalies before the moderate strong earthquakes and gave the order of these anomalies and the synthetical correlation of these anomalies with the three elements
摘要在地電阻率各向異性、地磁垂直分量日變化幅度響應比和逐日比、地磁垂直分量北京時21點絕對值空間相關及地磁垂直分量日變化空間相關方法在江蘇地區的研究結果基礎上,綜合分析了這些方法提取的江蘇及周邊地區中強震異常的綜合特徵,給出了這些異常在震前出現的先後次序、地震三要素與這些異常的綜合關系。Later, the paper ascertains how the prominent factors influence the humidifying effect by single factor experiment and got such solutions : when other situations do n ' t change, the nozzle flux will enhance with the increase of the nozzle aperture and spraying pressure. air ' s changing quantity of enthalpy and absolute humid, valid humidified quantity, humidifying efficiency and saturation efficiency will enhance with the increase of the initial water temperature. with the enhance of the praying pressure, the valid humidified quantity and air ' s changing quantity of enthalpy will increase first and decrease later, while the humidifying efficiency will drop
然後通過單因素試驗確定影響顯著的因素如何作用加濕效果,得到:在其他條件不變的情況下,噴嘴流量隨噴嘴孔徑和噴水壓力的升高而增大,空氣焓變量、絕對濕度差、有效加濕量、加濕效率及飽和效率隨噴水初溫的升高而提高,有效加濕量和空氣焓變量隨噴水壓力的升高先增加然後有所下降,而加濕效率隨噴水壓力的升高而下降,焓變量和絕對濕度差隨水氣比的增加而增大。The probability of normal r. v. with absolute value less then and equal to one, two, and three unit standard deviations are calculated from error function, the cumulate probability distribution of normal density
常態分佈隨機變數絕對值小於等於一個、兩個、三個標準差之機率分別代入累積機率分佈函數(誤差函數)算出其對應之機率。The research results show that aggregate gradation and the nominal maximum aggregate size evidently influence the shear resistance of asphalt mixture ; aggregate flakiness content influences the shear resistance of asphalt mixture, and with the increase of aggregate flakiness content the shear resistance of asphalt mixture decreases ; asphalt binder properties, especially penetration, softening point and viscosity influence the shear resistance of asphalt mixture, and the latter increases with the decrease of penetration and the increase of softening point and viscosity ; asphalt content influences shear resistance of asphalt mixture, and with the increase of binder / aggregate ratio the shear resistance of asphalt mixture decreases ; air void influences shear resistance of asphalt mixture, and usually with the increase of air void the shear resistance of asphalt mixture decreases ; homogeneity does not have a direct and obvious relationship with absolute value of shear resistance of asphalt mixture, but does with variation of shear resistance of asphalt mixture
研究結果表明:集料級配和公稱最大集料粒徑對瀝青混合料抗剪強度有顯著的影響;瀝青混合料抗剪強度受其集料中針片狀含量的影響較大,集料中針片狀含量增大,瀝青混合料抗剪強度減小;結合料的性質,特別是針入度、軟化點和粘度對瀝青混合料抗剪強度有較大的影響,隨著針入度減小,軟化點和粘度增大,瀝青混合料抗剪強度增大;含油量對瀝青混合料抗剪強度有較大影響,隨著油石比的增大,瀝青混合料抗剪強度減小;瀝青混合料抗剪強度受其空隙率的影響較大,一般隨著空隙率的增大,其抗剪強度減小;瀝青混合料均勻性與瀝青混合料抗剪強度絕對數值間沒有明顯的關聯,而與數值間的變異性有著很好的相關性。Then, seeing into the meaning of four grey incidence axioms, we establish a computation model of grey incidence degree - evolvement model, which gets over the shortcomings of present models, and prove it to be scientific
在此基礎上,領會灰色關聯度公理的內涵,提出了一種灰色關聯度量化模型綜合模型,該模型既考察序列間的絕對位置差異,也考察其變化率的差異,克服了現有關聯度量化模型的缺陷。( 三 ) under the dynamic load of the explosion, the numeric analysis has been done and achieve the rule as follow : ( 1 ) when the frequency of vibration is 0. 3hz, the acceleration of the slopes top gets the maximum ; so 0. 3hz is believed the natural frequency of the slope as a whole ; ( 2 ) the vibration of explosion can been magnified because of the condition of the landform, when the relative altitude is up to 45m, the acceleration of horizon gets the maximum ; when the relative altitude is up to 100m, the absolute value of acceleration and the deformation of horizon is larger than that in the bottom of the slope ; ( 3 ) in the period of forced vibration, at the top of the slope, the acceleration of horizon become larger and larger ; at the middle part of the slope, it becomes smaller ; ( 4 ) when the explosion velocity of is much little, the shallow part destruction is the primary deformation of the slope
(三)採用模態疊加法針對爆破動力作用,進行邊坡的動力響應分析,得出了以下結論: ( 1 )振動頻率為0 . 3hz時,坡面頂部水平向加速度峰值最大;綜合考慮,可認為該邊坡的自振頻率為0 . 3hz左右; ( 2 )地形對爆破地振動存在放大作用,研究剖面的坡面,水平向加速度及位移在地形相對高差45米左右最大,而後隨相對高差的增高而減小,相對高差為100米時,水平向位移及加速度絕對值均大於坡腳; ( 3 )強迫振動段,水平向加速度值隨時間變化的規律為:坡頂節點總的變化趨勢是越來越大,而坡體中部節點的變化趨勢是越來越小; ( 4 )當爆破振速較小時,變形破壞的形式表現為坡頂表面滑塌型。Based on the high frequency data, through the study of five - minutes absolute return data of copper in shanghai future exchange, a l - shape effect of intraday return and u - shape effect of intraday volume and intraday frequency of transactions are concluded and an analysis of the relationship between the model and microstructure of future market in china is suggested
摘要本文運用高頻數據對我國上海期銅的收益率、交易量和交易筆數的日內變動模式進行研究,從而得出了上海期銅日內5分鐘絕對收益率波動性的" l "型變化模式以及5分鐘交易量和交易筆數的" u "型變化模式。Finally, from the aspect of expecting efficient cost, the difference among controllers seizing the controlling private gains, the absolute level of seizure and the attribution of related variable imposes important effect on the expecting efficient cost of the corporate control transference
第四,從預期效率成本比較方面來看,控制者間在攫取控制權私人收益方面的差異及其絕對水平以及相關變量的分佈特點都對控制權轉讓的預期效率成本產生重大影響。Based on the studies in sea - level rise and response of coastal zone by domestic and foreign researchers, integrated with the essential characteristics of jiangsu coast and the radiate sand ridges, laid emphasis on the effects of sea - level rise on the radiate sand ridges and the tiaozini sands in it ' s center region, the following case were discussed in the paper. ( 1 ) the recent relative sea - level rise in the region of the radiate sand ridges found on the structural and sedimentary features of the radiate sand ridges, the rate of regional land subsidence was calculated ( structural, balanced and compressed subsidence were considered respectively ). the latest assessment of global sea - level rise in the past century that was carried out by ipcc was cited
本論文在總結國內外對海面上升及其對海岸帶影響的研究基礎上,結合江蘇海岸及輻射沙洲區的基本特徵,以相對海面上升對輻射沙洲及其中心部位的條子泥的影響為重點,討論了以下幾個方面的問題: ( 1 )輻射沙洲區近期的相對海面變化根據輻射沙洲區的構造和沉積特徵,對區內地面沉降速率進行分項計算(包括構造沉降速率、均衡沉降速率和壓實沉降速率) ,並引用ipcc最近對過去100年來全球絕對海面上升速率的評估。( 2 ) assessment of relative sea - level rise rate in the future in the region of the radiate sand ridges according to the assessment of global sea - level rise in the coming century by ipcc ( 2001 ) report, and the rate of subsidence in the region of radiate sand ridges, the relative sea - level rise in the coming century was forecasted quantitatively
( 2 )輻射沙洲區未來的海面上升速率預測引用ipcc2001年評估報告中對未來100年全球絕對海面上升速率的評估並結合輻射沙洲區地面沉降速率和相對海面變化狀況對輻射沙洲區未來100年內的相對海面變化做了定量預測。Both absolute difference and relative difference among per capita gdps of 14 cities ( prefectures ) increased year by year since 1990 - the absolute difference increased linearly - - and this increased tendency would n ' t change in short period. by counting the discrete and ratio between per capita gdp of every city ( prefectures ) and that of the total province, the relative development speed of every region and the industrial structure of every region, i think that the characteristic of the spatial structure of regional economic difference in hunan is that the area along the beijing - guangzhou railway line in the east of hunan developed fast, while the vast area in the west of hunan developed slowly, so the regional difference increased constantly. on the difference background between the east and the west of hunan, there is the difference between central region and fringe region, for one thing it shows ring difference, namely chang - zhu - tan internal ring, surrounding chang - zhu - tan medium ring, the outermost external ring, the most underdeveloped counties lie on the fringe and mountain regions in the west, south and east of hunan, for another it displays that the peripheral regions of 13 prefectural cities are more developed than the other
文章還建立了反映基礎設施水平、經濟發展水平、社會發展水平的23個主要指標構成的湖南省區域差異衡量指標體系,在此基礎上,藉助spss統計分析軟體,運用主成分分析法,對湖南省14個市州經濟發展綜合水平的差異狀況進行了研究,結果表明:長沙市的經濟發展綜合水平在14個市州中遙遙領先,反映了湖南省經濟發展空間結構的「單極主導」特徵;通過計算人均gdp的標準差和標準差系數,研究區域經濟差異的總體水平及區域經濟不平衡發展的演變趨勢,發現90年代以來湖南省各市州人均gdp的絕對差異和相對差異都在逐年擴大,其中絕對差異隨年份直線上升,且這種差異擴大的趨勢在短期內難以改變;通過計算各市州人均gdp與全省人均gdp的離差和比率、各市州發展速度的差異及產業結構的差異,認為湖南省區域經濟差異的空間特徵是:湘東京廣沿線地區基礎較好,發展較快,湘西地區發展緩慢,地區差異不斷擴大;通過以縣為對象的差異研究發現在湘東湘西差異的大背景上還有核心區與邊緣區的差異,它一方面表現為長株潭內層、圍繞長株潭的中層、更遠的外層的圈層差異特徵,最落後的縣分佈於湘西、湘南、湘The insulation class f or class h. the insulation of open - loop u / f condition of. structure has the adaptability to high carrie frequency voltage supplied by frequency converter
電動機的絕緣等級為f級或h級,絕緣結構具有對變頻器輸出高載波頻率電壓的適應能力。分享友人