時空度量 的英文怎麼說
中文拼音 [shíkōngdùliáng]
時空度量
英文
space-time metric- 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...
- 空 : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 時空 : space time:[相對] space time continuum時空點 event; 時空度量 space time metric; 時空反演 space ti...
- 度量 : 1. (計量長短) measure; metric; mensuration 2. (寬容人的限度) tolerance; magnanimity
-
The results show that : l ) there are three anomalous high temperature areas and three anomalous low temperature areas, and the whole area high temperature anomaly took place in the late 1980s, whereas the low temperature anomaly in the 1970 ; 2 ) the spatial mode manifests identical variations in the whole area, and the temporal coefficient curve is of 2 - 3 year period oscillation and an interdecadal abrupt in the late 1970s ; 3 ) the variance of interdecadal component is obviously larger than that of interannual in the most part of nespa ; 4 ) the interdecadal variation of the temperature is mainly linear ascendance in the late 1970s, the large range anomalous high ( low ) temperature occurs when the interdecadal and interannual anomaly are both positive ( negative ) in the year ; 5 ) the temperature anomaly is divided into four patterns : southern, northern, eastern and western patterns, in which the interdecadal variation of the southern and western patterns is relatively importance and the interannual variation of eastern and northern pattern is relatively importance
本文用夏季( 6 - 8月)中國東北地區91個測站44年氣溫資料,對該區夏季氣溫的氣候平均和異常場進行分析,採用諧波分析將異常變化的年代際、年際尺度分量分離,分別分析兩種尺度上氣溫異常的時空特徵,最後應用reof進行了氣溫異常的區劃,研究局域異常變化的年代際、年際分量的變化特徵。結果發現: 1 )東北夏季有三個異常高溫高發區和三個異常低溫高發區。全區性異常高溫(低溫)階段出現在上世紀80年代后( 70年代) 。The variations of sea ice in the arctic ocean are simulated by using a improved high resolution hibler dynamic - thermodynamic sea ice model during 1979 - 1998. the model is driven by surface atmospheric and oceanic forcing consists of geostrophic winds, surface air temperature, specific humidity, and longwave and shortwave radiative fluxes provided by international arctic buoy program ( iabp ). the simulated results show that arctic sea ice have noticeable seasonal and annual variability
利用一個hibler海冰熱動力模式,在改進了其熱力部分和改變模擬范圍以及提高解析度的基礎上,以北極國際浮標計劃( iabp )提供的1979 - 1998年間逐日變化的日平均海平面氣溫場,濕度場,長短波輻射場,風場,洋流場,海洋熱流量場為強迫場,模擬了上述20年間北極海冰的時空演變。In other words, d. burke and r. engelking and d. lutzer proved that a regular space is metrizable space if and only if it has a - hereditarily closure - preserving base in 1975, and introduced weakly hereditarily closure - preserving families, which proved that a regular k - space has - weakly hereditarily x closure - preserving bases is metrizable space, too
Burke , r engelking和d lutzer證明了正則空間是可度量化空間當且僅當它具有遺傳閉包保持基,並引入了弱遺傳閉包保持集族( weaklyhereditarilyclosure - preservingfamilies ) ,同時證明了具有弱遺傳閉包保持基的正則的k空間是可度量化空間。Contraposing the measurement principle of the traditional hotwire air mass flowmeter, the reason of the excursion of the result for flow measurement was analyzed and inferred when environment temperature changed ; the method for temperature compensation and the realization circuit was given ; and compared the theory output of the new type hotwire air mass flowmeter with its real output after temperature compensation
摘要針對傳統型熱線式空氣質量流量計的測量原理,分析和推導出當環境溫度變化時對流量測量結果產生偏移的原因;提出了一種環境溫度的補償方法和具體的實現電路;並對經環境溫度補償后的一種新型熱線式空氣質量流量計的理論輸出和實際輸出進行了計算與比較。There is a period of soil contents range from ten to twenty five days over the humid discussed area in summer, and the period is not obvious at the discussed zone of close oasis desert area in summer and winter. ( 2 ) soil temperature exits several periodic variations of different depths ranging from six to twenty four days in heihe region, and nine to thirty days in gaize and shiquanhe region. it also shows that gradient of soil temperature affects on the soil content movement more greatly in summer. ( 3 ) the land surface temperature of yangtze river lower region is retrieved from noaa - ahvrr data
( 2 )根據土壤溫濕資料,採用功率譜分析、 pca分析等方法,分析了兩種典型下墊面土壤溫度的時空分佈特徵及其對土壤水分運動的影響,發現研究區土壤溫度除日和年變化周期外還存在6 30天的不同周期;下墊面的非均勻性及其季節變化及溫度梯度變化對土壤水分運動有很大影響,冬季溫度梯度變化對土壤含水量影響大於夏季溫度梯度對上壤含水量變化的影響,且溫度梯度與水分運動方向相反。Using the ground humidity parameter data, the precipitable water of single station was more accurate than the data retrieved from satellite data. but it was of low spatial and temporal resolutions compared with that retrieved from satellite data
用地面濕度參量資料(地面水汽壓)估算晴空大氣可降水量,其單站的估算結果比用衛星資料反演的結果要精確,但是估算的水汽場時空解析度不如衛星資料反演的高。Thermal, precipitation and humidity affected vegetation types and it ' s distributing, while vegetation types choosing terrene - ecosystem. as the drive power will change along with different space - time scale, we must base on specifically district and period, when study on the drive power of terrene - ecosystem development
熱量、降水和濕度決定著地表植被類型及其分佈,植被類型決定著陸地生態系統,而促成地球陸地生態系統演變的驅動力隨著時空尺度的不同會有變化。Second, based on the characteristic of the receiving water studied in this paper, develope a dynamic one - dimension water quality model for nanbei river in zhangcha town of foshan city, and develope a program of water quality model based fortran powerstation. and then, calculate the concentration of codcr in receiving water using the simulation results of swmm and analyze the effect on the environment of receiving water by intercepting ratio. at last, the construction investment and operational and administrative expenses of intercepting trunk sewer 、 pumping station and sewage farm is calculated and the relation between them is discussed
其次,本文根據研究區受納水體的特點,建立了佛山市張槎鎮南北大涌的一維非穩態水質模型,相應地開發了基於fortranpowerstation平臺的水質模型計算程序,並在swmm模型模擬結果的基礎上,利用本文編制的水質模型程序計算了不同截流倍數時南北大涌codcr濃度的時空變化過程,分析了截流倍數對河涌水環境質量的影響。At last, we discuss the structure of d - stars in the spacetime with a nonzero cosmological constant. the metric and effective mass formula of d - stars have been educed
本文的第三部分,主要討論了帶有非零宇宙常數時空中d星的結構,導出了它的度規和有效質量公式。By the time the higher elevations are reached, such strange notions as einsteinian curved space - time and the quantum uncertainty principle, heavy meals indeed, seem not so difficult to digest
當攀登到一定高度時,像愛因斯坦的時空捲曲論和量子不確定原理等概念就出現了;而這些難以咀嚼的食物也就變得不那麼難于消化了。The wavelet multi - analysis is adopted to further understand the microstructure of solids holdup fluctuation, the vivid fingermark images show that it is a fractal and dissipative structure. the low and frequency signals reflect the dilute phase fluctuation behavior and dense phase ( cluster ) fluctuation behavior, respectively. to deep understand the multi - scales characteristic of gas - solids circulating fluidization, the wp decompose methods for obtaining the eigenvalue of gas - solid fluidized bed has been developed. the results show that eigenvalues of different scales are effective for identification of non - uniform and dynamic structure of gas - solid fluidized bed
小波多分辨分析法得到指紋圖形象地揭示了顆粒濃度脈動的自相似、分叉等具有混沌特徵的微觀結構;小波分解后信號中的低頻和高頻成分分別代表了稀相和密相的脈動行為,小波包分解提取能量特徵值的方法能夠揭示氣固的多尺度特性,不同尺度上的能量特徵值四川大學碩十論文反映了氣固循環流化系統中存在的非均勻動態時空結構。Abstract : based on the objectivity of space, time and their measuring, the author gives a ideal experiment of space and time measuring, educe the difference between true time and metrical time ( this difference results from the finity of light speed ), thus proves the relativity between metrical time and true time and the relativity between given reference points, gives the express formulas of relative velocity
提要:從時空及時空度量的客觀性、絕對性出發,通過具體的空間、時間測量理想實驗,導出測量時刻、時間與客觀時刻、時間的差異(這種差異的根源在於光速傳播的有限性) ,從而說明測量時刻、時間對于客觀物理量及不同參照點的相對性,給出了客觀勻速直線運動的相對速度表達式。Airborne gravimetry which is discussed in this paper denote scalar airborne gravimetry only. in order to estimate the accuracy of airborne gravity measurements, the tracks of an airborne gravity survery are generally planed to join each other
依據測量值的類型不同,它可以分為航空標量重力測量和航空矢量重力測量兩類,前者用以測定重力加速度的大小,後者不僅測定重力的大小,而且同時測定重力的方向。During winter nights and under clear skies, the ground surface is cooled rapidly by radiating heat off to space. the air temperature near the ground will also fall and when the grass temperature drops below zero degrees celsius, hoar frost will form by direct sublimation of water vapour onto the grass surface
在冬天的晚上,如果天氣晴朗,地面的熱量會透過輻射快速散失,貼近地面的空氣也同時降溫,當草面溫度降到攝氏零度以下時,空氣里的水蒸氣便會在草面凝華成為白茫茫的霜。With reof analyze technique, the mainly anomalous spatial features of soil humidity in the 0 - 50cm layer of huai river basin and their relations to different periods of precipitation and air temperature are specially analyzed by using the observed data including dekad averaged soil moisture, precipitation and air temperature data over the east of china from 1990 to 2000. the results indicate that in the springtime the 30cm layer soil can be treated as a boundary
本文首先利用中國東部1990 - 2000年旬平均土壤濕度、降水和氣溫觀測資料,通過對0 - 50cm層次土壤濕度進行旋轉主分量分析( reof ) ,重點分析了淮河流域土壤濕度的時空分佈特徵,並初步研究了與前期、同期和後期不同時段降水與氣溫的關系。A fuzzy image data model and a concept of fuzzy space are proposed, in which model visual feature, spatial feature and semantic feature are used for super feature in order to utilize advantage of traditional relation database as well as characteristics of image data and fuzzy retrieval. based fuzzy space, a method of similarity measurement of image is presented to support fuzzy features - based image retrieval and satisfy user ' s query requirement for image. in the thesis, a semantic template and the mechanism of dynamic relevant feedback are defined so that it can express user ' s query semantic and improve retrieval precision and useable capability for image retrieval
研究了模糊檢索方法和相關反饋機制在圖象檢索中的應用,提出了一種模糊圖象數據模型和模糊空間的概念,該模型將可視特徵、空間特徵、語義特徵看作超屬性,既充分利用了傳統關系數據庫的優點,同時又考慮了圖象數據以及模糊查詢的特點,文中提出的模糊空間和模糊相似性度量方法能支持基於模糊特徵的圖象查詢,較好地體現用戶圖象查詢的應用需求,文中定義的語義模板和相關反饋機制能在一定程度上表達用戶的查詢語義,提高圖象檢索的準確率和易用性。In this paper, the climatic variation features and spatial and temporal distribution of the flood and drought in zhejiang province were analyzed by using 36 monthly and seasonal station data during 1961 - 1999 observed over zhejiang province, 160 rainfall and temperature data during 1951 - 1999 observed over china, northern hemisphere 500mb height data during ! 961 - 1999, the planting and flood disasters area data in zhejiang province during 1949 - 1998. we used many method : calculated trend coefficient of rainfall and temperature, used eof, reof, ssa ( singular spectrum analysis ) and mem ( maximum entropy spectrum ) method and synoptic method. we first studied the climatic variation features of summer and autumn and characters of the flood and drought in zhejiang
本文用1961 - 1999年浙江省36個氣象觀測站的降水量和氣溫資料、 1951 - 1999年全國160站的降水量和氣溫資料、 1961 - 1999年500hpa月平均高度資料和1949 - 1999年浙江省11個地市的受災面積、成災面積、耕地面積等資料,通過計算趨勢系數、變量場eof分解、旋轉eof分解、奇異譜分析和最大熵譜分析等多種統計學方法和天氣學方法,研究了浙江省氣候變化特點及旱澇災害時空分佈的特徵。Sustainable development, which pursue long - time economic increase and quality advancement, is to satisfy both the needs of the present age and that of the future. shaowu, a county in mountainous area of fujian, plays a major role in the sustainable development in minjiang watershed. the thesis based on the theory of district sustainable development put forward the problems, pontentia and advantage which shaowu is faced with. the pattern of shaowu sustainable development and approach to implement it is also discussed. also, the thesis sets forth the important meaning of policy selection to the sustainable development and bring forward the adaptive policy of the sustainable development in shaowu
縣域可持續發展是指在一定時空尺度上,以長期的經濟增長及質量提高為目標,從而既滿足當代縣域發展的需要,又滿足未來縣域的發展需求。邵武是福建省的一個山區縣級市,邵武的可持續發展對閩江流域的經濟可持續發展起著重要作用。本文建立在區域可持續發展的理論基礎之上,並對區域可持續發展理論進行概括,通過對邵武資源環境和社會經濟基礎系統的分析,提出邵武可持續發展面臨的問題和所具有的潛力和優勢,充分論述邵武實現可持續發展的模式內容和實施途徑。By testing the arc shield voltage in different vacuum degree, it proves that the arc shield voltage method will be an effective online testing method when the vacuum degree is or lower than lpa, but the method will be no use when the vacuum degree is higher than 10 - 2pa
通過對不同真空度下的真空滅弧室屏蔽罩電位的進行了測試,證實了用屏蔽罩電位法作為真空度在線監測的手段,對于真空度在1pa數量級上是可行的,但當真空度高於10 ~ ( - 2 ) pa時,此方法是不可行的。Abstract : based on the objectivity of space, time and their measuring, the author gives a new relativity principle by comparing the description of given motion in different frames of reference, and points out the error of einstein ' s theory of relativity
提要:從時空及時空度量的客觀性、絕對性出發,通過兩參照系對給定運動描述間的比較,提出了新的相對性原理概念,指出了狹義相對論的錯誤。分享友人