temporal variation造句
例句與造句
- The spatial and temporal variations of large - scale atmospheric moisture sinks over southern china in spring during 1958 - 2004 are studied based on the ncep / ncar reanalysis data
摘要用1958 - 2004年ncep / ncar再分析資料分析了中國(guó)南方春季大尺度大氣水汽匯的時(shí)空變化特征。 - Each component is studied with multi - scale matched against the classification of land - cover on multi - date data to reveal 21 ) signals in the temporal variation and spatial patterns
結(jié)果表明，在小尺度下顯示不同地物類型、相對(duì)差異、位置及形狀等信息；而在大尺度則主要表現(xiàn)了水陸、地貌導(dǎo)致的地域差異。 - Recently , more attention has been given to researches on mechanisms of the formation and evolution , and spatio - temporal variation of soil degradation under highly - intensified agriculture , and countermeasures for its control and rehabilitation of degraded soil
目前，應(yīng)當(dāng)高度重視集約農(nóng)業(yè)利用下土壤退化的形成與演變機(jī)理、時(shí)空分異規(guī)律、以及土壤退化的控制和退化土壤的恢復(fù)重建措施的研究。 - In the form of peak gusts recorded in the past 10 minutes for 20 locations in hong kong . the webpage will be updated once every 10 minutes . animation of gust distribution maps for the past 3 hours is also available to facilitate appreciation of the temporal variation of gusts
)以圖像展示全港二十個(gè)風(fēng)站在過(guò)去十分鐘錄得的最高陣風(fēng)，網(wǎng)頁(yè)每隔十分鐘更新一次，并提供過(guò)去三小時(shí)的動(dòng)畫(huà)，方便市民檢視陣風(fēng)的變化。 - In the form of peak gusts recorded in the past 10 minutes for 20 locations in hong kong . the webpage will be updated once every 10 minutes . animation of gust distribution maps for the past 3 hours is also available to facilitate appreciation of the temporal variation of gusts
以圖像展示全港二十個(gè)風(fēng)站在過(guò)去十分鐘錄得的最高陣風(fēng)，網(wǎng)頁(yè)每隔十分鐘更新一次，并提供過(guò)去三小時(shí)的動(dòng)畫(huà)，方便市民檢視陣風(fēng)的變化。 - It's difficult to find temporal variation in a sentence. 用temporal variation造句挺難的
- This technique is mainly involved two steps : 1 ) vegetation effects correction : we used ndvi ( normalized difference vegetation index ) derived from tm and avhrr measurements for spatial and temporal variations of vegetation covers at different scales
但由于電磁波與地表相互作用的復(fù)雜性，雷達(dá)后向散射系數(shù)除受地表介電常數(shù)(土壤水分)影響外，還受到地表粗糙度、土壤類型、植被覆蓋以及雷達(dá)入射角、頻率、極化等多種因素的影響。 - Secondly , by analysis the spatial distribution law and temporal variation of the main meteorological disaster , we draw the dynamic and static regional combinational law of the main meteorological disaster using the methods of systemic cluster analysis , markov chain and cils technology
第二，在分析各氣象災(zāi)害時(shí)空分布規(guī)律的基礎(chǔ)上，利用系統(tǒng)聚類法、馬爾柯夫鏈及gis技術(shù)，得出吉林省主要農(nóng)業(yè)氣象災(zāi)害動(dòng)態(tài)和靜態(tài)的地域組合規(guī)律。 - In this paper , on the basis of observed data , spatial - temporal variation characteristics of soil temperature and soil moisture . soil temperature effects on soil water movement are studied for several kinds of typical underlying surface by using statistics , spectrum , filtering wave methods
本文首先根據(jù)幾種典型下墊面條件下的土壤表層( 1 - 1m )的土壤溫濕度資料，采用統(tǒng)計(jì)分布、功率譜分析、濾波等方法分析典型下墊面條件下土壤表層水熱分布特征及其相互作用。 - 2 ) there is three basic precipitation regions in middle and lower reaches of yangtze river . they have visible homologous relationship with the period of meiyu in the temporal variation , in the late 1980 ' s , the characteristic of precipitation in midd le and lower reaches of yangtze river begins to altering
2 )長(zhǎng)江中下游梅雨期的降水主要存在三個(gè)基本地區(qū)，且在時(shí)間變化上與梅雨期的出現(xiàn)有著明顯對(duì)應(yīng)關(guān)系， 80年代末，長(zhǎng)江中下游梅雨的降水特點(diǎn)發(fā)生了改變。 - In the late part of the active developing period , the temporal variation of sediment concentration and sediment transport ratio of each rainfall can be expressed by exponent function and the variation presents quadratic polynomial function in the stable developing period . the spatial variation character of sediment yields with space of the experimental watershed model . the active position of soil erosion and sediment yield of the experimental watershed model changes from the downside to the upside with the developing process of the watershed model
流域模型侵蝕產(chǎn)沙空間變化特征侵蝕產(chǎn)沙的活躍部位隨流域模型發(fā)育過(guò)程呈現(xiàn)由流域模型下部逐漸向上部發(fā)展特征，其中流域模型下中部為發(fā)育初期時(shí)段和發(fā)育活躍時(shí)段侵蝕產(chǎn)沙的活躍部位，流域模型上部是發(fā)育穩(wěn)定時(shí)段侵蝕產(chǎn)沙的活躍部位。 - Abstract : digital basinis made from digital elevation model considering spatial variability within a catchment . on the basis of digital basin , the digital approach to describing hydrological processes within a catchment is investigated . digital hydrological model is regarded as a modern physically - based modeling technique that includes a large amount of information . the case study on the shiguanhe catchment in the huaihe river basin , intensified observation field of gewex asian monsoon experiment project , has shown that the digital mode lperforms very well not only in simulating runoff processes at any specific site , but also in simulating spatial distribution and temporal variation of hydrological elements and state variable ( especially soil moisture ) , if compared with traditional hydrological models . that provides solid foundation for full use of now available observation in formation and in - depth mining of hydrological data
文摘:考慮流域下墊面空間變異性,基于數(shù)字高程模型構(gòu)建了數(shù)字流域,并在此基礎(chǔ)上對(duì)描述流域水文物理過(guò)程的數(shù)字方法進(jìn)行了探討.文章認(rèn)為,數(shù)字水文模型是一種有物理基礎(chǔ)的包含大容量信息的現(xiàn)代模擬技術(shù).史灌河流域?qū)嵗芯勘砻?數(shù)字水文模型可以十分方便地輸出水文要素和狀態(tài)變量的空間分布與時(shí)間序列,這對(duì)充分利用現(xiàn)有觀測(cè)信息進(jìn)行水文信息的深層挖掘創(chuàng)造了條件 - Based on the fractal character of the small watershed topographic feature , the spatial and temporal variation character of sediment yield of the watershed model , the dynamic developing process and fractal character of the topog raphic feature of the watershed model , and the coupling relationship between the sediment yield and the topographic feature of the watershed model are " studied by simulate experiment , fractal theory , high precise photogrammetry and gis technology . the validation research is conducted in chabagou watershed where the observation data of rainfall , sediment and runoff for 11 years is collected . the study provides new theory and method for the topographic feature quantitative research in the prediction model of small watershed sediment yield
本文依據(jù)流域地貌形態(tài)所具有的顯著分形特征，從模擬實(shí)驗(yàn)出發(fā)，利用分形理論和方法，結(jié)合高精度攝影測(cè)量和gis技術(shù)，對(duì)流域模型侵蝕產(chǎn)沙時(shí)空變異特征、地貌形態(tài)發(fā)育過(guò)程及其相應(yīng)的分形特征、流域模型侵蝕產(chǎn)沙與地貌形態(tài)耦合關(guān)系進(jìn)行了深入研究，并以具有11年降雨泥沙徑流觀測(cè)資料的岔巴溝流域?yàn)槔M(jìn)行了驗(yàn)證研究，為實(shí)現(xiàn)從單坡面侵蝕產(chǎn)沙模擬、預(yù)報(bào)向流域侵蝕產(chǎn)沙模擬、預(yù)報(bào)轉(zhuǎn)化過(guò)程中地貌形態(tài)參數(shù)的提取提供了理論和方法，為黃土高原小流域水土流失綜合治理提供了科學(xué)實(shí)踐依據(jù)。 - The results show that in the later stage of the nucleation process , the maximum slip velocity is monotonically accelerating ; the slipping hot spot ( where the slip rate is maximum ) migrates spontaneously from a certain instant , and such migration is spatially continuous ; when the maximum velocity reaches a detectable order of magnitude ( at least one order of magnitude greater than the loading rate ) , the remaining time is 20 hours or more , and the temporal variation of slip velocity beyond this point may be used as a precursory indicator ; the average slip velocity is related to the remaining time by a log - log linear relation , which means that a similar relation between rate of microseismicity and remaining time may also exist ; when normal stress variation is taken into account , time scale of such processes can be extended by about 2 times
結(jié)果表明，在成核的后期階段：最大位移速率單調(diào)加速增加；滑動(dòng)熱點(diǎn)（最大滑動(dòng)速率處）在后期階段開(kāi)始自發(fā)性遷移，且在空間上連續(xù)；當(dāng)最大滑動(dòng)速率達(dá)到可以明顯探測(cè)的量級(jí)時(shí)（高于載入速率一個(gè)數(shù)量級(jí)以上） ，倒計(jì)時(shí)間為20小時(shí)或更長(zhǎng)一些，這時(shí)的速率變化可作為臨震預(yù)測(cè)標(biāo)志；平均滑動(dòng)速率與倒計(jì)時(shí)間的關(guān)系在臨震階段呈對(duì)數(shù)線性趨勢(shì)，由此可推測(cè)微震活動(dòng)增長(zhǎng)率與倒計(jì)時(shí)間同樣存在對(duì)數(shù)線性關(guān)系；正應(yīng)力的變化對(duì)上述時(shí)間尺度有延長(zhǎng)作用，使之大致增加到原數(shù)值的2倍。 - The study has systematically investigated the characters of spatial and temporal variation of temperature and precipitation in qinghai since 1961 , and the results show that the trend rate of annually average of temperature in qinghai is significantly higher than that of the other places in the whole china , with qinghai acting as a sensitive area of china climate warming , and that precipitation efficiency is also clearly improved
以配合西部大開(kāi)發(fā)進(jìn)行基礎(chǔ)性、戰(zhàn)略性和前瞻性研究，為青海省生態(tài)環(huán)境與社會(huì)經(jīng)濟(jì)的協(xié)調(diào)發(fā)展，水土資源的可持續(xù)利用提供科學(xué)依據(jù)。本研究系統(tǒng)分析了1961年以來(lái)青海省氣溫、降水等氣候特征因子的時(shí)空變化特征，表現(xiàn)在青海高原年平均氣溫變化傾向率要明顯高于全國(guó)，是中國(guó)氣候變暖的敏感區(qū)，降水的有效性發(fā)生了明顯變化。 - The overall temporal variation characteristics of land desertification in the recent 30 years in keerqin sandlot are that : the main types of land desertification are changed from medium and severest desertification types to gently and medium desertification types . the area of gently desertification land is increasing . the area of severe desertification is decreasing
研究表明： 30年來(lái)，科爾沁沙地土地沙漠化的時(shí)間變化總特點(diǎn)是：土地沙漠化的類型中度、極重度為主轉(zhuǎn)變?yōu)橐暂p度、中度為主，輕度沙漠化土地的面積呈增加趨勢(shì)，重度沙漠化土地的面積減少趨勢(shì)。