temporal and spatial variation造句
例句與造句
- Temporal and spatial variations of sea surface temperature anomalies in the global and three oceans in recent 50 years
全球和三大洋海溫距平的時(shí)空變化特征 - The temporal and spatial variations of each stable variable in jiaozhou bay for summer 2001 is simulated
模型將氮、磷及與其相關(guān)的浮游植物、浮游動(dòng)物作為狀態(tài)變量，模擬了膠州灣海域夏季各狀態(tài)變量濃度的時(shí)空分布。 - Objective to analyze the temporal and spatial variations of radon concentration by measuring in some labs and typical buildings in chengdu
摘要目的通過(guò)對(duì)成都某幾個(gè)氡氣觀測(cè)實(shí)驗(yàn)室以及代表性建筑物的氡濃度測(cè)量，分析氡濃度的時(shí)間變化特點(diǎn)和垂直變化特點(diǎn)。 - Based on the sst data , the temporal and spatial variations of ssta in western pacific warm pool region have been analyzed in this paper by means of eof
本文通過(guò)對(duì)夏季熱帶西太平洋暖池區(qū)ssta的eof分析，發(fā)現(xiàn)夏季暖池區(qū)海溫存在兩種主要空間分布型，即ssta的一致性分布和南北半球反對(duì)稱分布。 - The paper is mainly based on geography , ecology , sight ecology , region location theory and system theory . by interpreting the mss remote sensing image of 1970s and the tm remote sensing image of 1980s and the end of 1990s in keerqin sandlot based on background database and expert information , we have achieved the three periods vector data of land desertification of the research area , then we have disposed the data property by using the powerful spatial analysis function of arc / info and achieved the information extraction and analysis supported by arcview and erdas imagine . thus the rule of temporal and spatial variation of land desertification in keerqin sandlot is researched and the blueprint and countermeasures of the prevention and treatment of land desertification in keerqin sandlot are put forward
本研究主要以地理學(xué)、生態(tài)學(xué)、景觀生態(tài)學(xué)、區(qū)位論和系統(tǒng)論為主要理論支持，通過(guò)對(duì)科爾沁地區(qū)20世紀(jì)70年代的mss遙感影像、 20世紀(jì)80年代和90年代末tm遙感影像進(jìn)行基于背景數(shù)據(jù)庫(kù)和專家知識(shí)的解譯，獲得科爾沁研究區(qū)土地沙漠化的三期矢量數(shù)據(jù)，利用arc / info軟件強(qiáng)大的空間分析功能對(duì)屬性進(jìn)行處理，并在arcview 、 erdasimagine軟件的支持下進(jìn)行信息提取與分析，研究了科爾沁沙地土地沙漠化時(shí)空變化的規(guī)律，提出了科爾沁沙地土地沙漠化防治的構(gòu)想與對(duì)策。 - It's difficult to find temporal and spatial variation in a sentence. 用temporal and spatial variation造句挺難的
- The results are as follows : ( 1 ) based on soil temperature data measured at different time in the field , soil temperature characteristics under plastic mulch were analyzed at four locations : the middle , the edge , in - between the plastic film and uncovered spot ; the characteristics of soil temperature profile from 0 to 25cm depth and the correlation of soil temperatures in different soil layers were studied at different time with and without plastic mulch ; on the basis of analyzing temporal and spatial variations of soil temperature in a corn field , the relations between soil temperature and air temperature were established , and a new method that only uses air temperature to predict soil temperature profile at different time is proposed . the predicted results showed good accuracy
成果如下： ( 1 )根據(jù)大田實(shí)測(cè)地溫資料，分析了覆膜條件下膜中、膜邊、膜間和揭膜四種處理在早、中、晚三個(gè)不同時(shí)刻的地溫特征；分析研究了各觀測(cè)時(shí)刻覆膜與不覆膜條件下0 25cm剖面地溫的特點(diǎn)及各層地溫間的相關(guān)關(guān)系；在重點(diǎn)對(duì)玉米田地溫時(shí)空變化特征分析的基礎(chǔ)上，首次將覆膜與不覆膜不同時(shí)刻觀測(cè)的剖面地溫與氣溫建立了聯(lián)系，提出了僅根據(jù)氣溫資料來(lái)預(yù)測(cè)一日內(nèi)不同時(shí)刻剖面地溫的新方法，預(yù)測(cè)結(jié)果表明其精度較高。 - In the main ( no . ) orebody , it is characterized by high as content but low sb , in no . orebody , it is characterized by high sb content but low as ; in both orebodies , it is characterized by high zn content and insignificant temporal and spatial variations of chemical compositions
在以銅為主的主礦體（號(hào)礦體）中，黝銅礦幾乎均屬鋅砷黝銅礦，含銀甚低，其化學(xué)成分在時(shí)空分布上變化不大且無(wú)顯著的變化規(guī)律，不同類型礦石之間黝銅礦的成分變化也不大；但在以鉛鋅為主的次要的號(hào)礦體中黝銅礦含一定量的銀。 - The overall temporal and spatial variation trends in the recent 30 years are that : the total area of desertification land is increasing . the reverse trend of land desertification is greater than the evaluative trend . the proportion of gently reversion and distinctively reversion is equivalent
30年來(lái)，科爾沁沙地土地沙漠化的時(shí)空變化總體趨勢(shì)是：沙漠化土地的總面積呈增加趨勢(shì)；研究區(qū)土地沙漠化逆轉(zhuǎn)的趨勢(shì)大于發(fā)展的趨勢(shì)，輕度逆轉(zhuǎn)和明顯逆轉(zhuǎn)的比例相當(dāng)；土地沙漠化的程度加重。 - The knowledge model was developed based on the dynamic relationships between crop and environments , and quantitative representation of the temporal and spatial variation in crop growth and management indices . this provided the decision - making of dsspf with interpretation and wide applicability , thus overcoming the shortcomings of the traditional expert system with strong empiricism and localization
知識(shí)模型是基于作物與環(huán)境的動(dòng)態(tài)關(guān)系，通過(guò)定量描述作物生育和管理指標(biāo)的時(shí)空規(guī)律，從而使dsspf中的管理決策支持具有解釋性和廣適性，有效解決了專家系統(tǒng)決策中地域性和經(jīng)驗(yàn)性較強(qiáng)的這一難題。 - Based on the analysis of the features of asia winter monsoon and north - west pacific temperature ' s temporal and spatial variation , using simulation and statistic analysis methods such as correlation analysis , synthesis , svd and so on , this paper study priority the regional characters of asian winter monsoon ' s influence on north - west pacific temperature . statistic analysis and simulation all indicate that winter monsoon ' s impact on north - west pacific temperature contains regional characters positively , abnormal strong winter monsoon will causes the temperature ' s reducing of kuroshio and our offshore and increasing of the north of pacific warm pool synchronous , and the temperature of the adjacent area between the north of kuroshio and the oyashio will rise in later season
在分析東亞冬季風(fēng)與西北太平洋海溫時(shí)空變化特征的基礎(chǔ)上，通過(guò)相關(guān)、合成以及svd等統(tǒng)計(jì)分析方法和數(shù)值模式模擬，本文重點(diǎn)研究了東亞異常冬季風(fēng)對(duì)西北太平洋海溫影響的區(qū)域性特征，統(tǒng)計(jì)分析與模式模擬結(jié)果都表明：東亞冬季風(fēng)對(duì)西北太平洋海溫影響存在明顯的區(qū)域性特征，主要分為三個(gè)區(qū)域，黑潮與我國(guó)近海、西太平洋暖池北部、日本東部的親潮與黑潮交界處。 - The temporal and spatial variations of summer precipitation anomaly in northeast china ( nespa ) are studied , and its relations with contemporary circulation anomalies over north pacific ( np ) and sst departure of pacific on the interdecadal and interannual scale are discussed by means of harmonic analysis , reof and svd
采用諧波分析、 reof 、 svd等方法分析了東北夏季降水異常的時(shí)空特征，并按年代際、年際尺度分析了它與同期北太平洋區(qū)域?qū)?yīng)尺度環(huán)流、相關(guān)海表溫度異常的聯(lián)系。