earth reference 中文意思是什麼
earth reference
解釋
地球坐標系-
Kids discover the natural phenomena that shape our planet earth. meteorology, volcanoes, earthquakes, geology, the water cycle, climate and biomes are explained through animated simulations, hands - on activities and reference scrapbook
孩子們認識地球的自然現象.通過模擬動畫片斷，實習活動和參考資料，解釋氣象，火山，地震，地質學，水的循環，氣候和生物等變化進程 -
Deciding when to introduce a leap second is the responsibility of the international earth rotation and reference systems service
國際地球自轉服務組織負責決定何時加減閏秒。 -
User can search their online catalogue, or browse for titles in the nine departments : biology & ecology, conservation & biodiversity, natural history & travel, palaeontology & evolution, earth & environmental sciences, sustainable development, reference, etc
用戶可以通過著者、題名等入口直接檢索在線目錄，也可以通過瀏覽主題分類目錄（包括：生物學與生態學、自然保護與生物多樣性、古生物學與進化、地球科學與環境科學等九大類）了解相關信息。 -
It has some important potential applications in geodesy and geodynamics, including the definition, practical realization, and the interconnection of different reference frames, determining the geocentric positions of vlbi stations, estimation of the gravity field of the earth, and satellite orbit determination using the delay and delay rate observables
它在大地測量和地球動力學方面很有應用潛力，如不同參考框架的定義、實現和相互連接，利用延遲和延遲速率來進行vlbi測站地心坐標的測定，地球重力場的估計和衛星定軌等。 -
A preliminary criterion on soil displacement was suggested, which is of use value for reference to eliminate harmful impacts of earth - extrusion effects on the surrounding engineering events at a geologically similar fields
對防範類似施工場地周圍建（構）築物遭受沈樁施工的有害影響具有實用參考價值。 -
Since this frame of reference - the earth ? is rotating, motions that would be straight in a stationary frame of reference appear curved to the observer on earth
由於參照系?地球?是旋轉的，所以在靜止參照系中應是呈直線運動，在地球上的觀測者看來就成為曲線運動。 -
The author insists that the proposition on bmp contains numberous precondictions, the reference values of the qulitative papers are limited as they cannot answere exactly what on earth the bmp is. so this dissertation systematically studied the bmp of china according to the clue of monetary supply which is the immediate target of monetary policy. of course, the stress is to attempt to apply the newest econometric approaches, such as impulse response function and cointegration test, to develop the topic on bmp to a new regime and draw some valuable conclusions
因此，本文在國內外學者已有的研究基礎上，以我國貨幣政策的中介目標? ?貨幣供應量為線索，就有關我國貨幣政策的宏觀調控效果進行了系統的理論與實證研究，重點是應用國外時間序列經濟計量學的最新研究成果，如脈沖響應函數、預測方差分解模型等進行探索性地定量分析，並得出有價值的實證結論。 -
From experimental result, i preliminarily know that eps is good thermal insulation material because the absorption of water is low and heat insulation is good, it is practicable at preserving temperature field of frozen earth roadbed and bringing frozen disaster under control ; second, according to the analysis of the eps that is applied into practical project, i have studied the practical effect which eps preserve roadbed temperature field, and the influence that was made after building field. i have get that eps can influence moisture content and frozen upper limit, through practical measuring data, i have studied freezing and expanding quantity and melting and submerging quantity during a complete frozen and melting cycle as well as have expanded and proved the practical application effect of eps with some reference significance to deep research of some connected problems. finally, through computer data analysis, setting up the analytical model of finite unit, i have simulated the temperature field of roadbed heat preservation, then expounded and proved that the height of embankment influenced the effect of thermal insulation material
其一是對聚苯乙烯泡沫塑料（ eps ）保溫板以及天然路基土層、路堤填料進行了室內試驗分析，結合國內外現在的有關科研成果，綜合確定其各項特徵參數；從試驗結果初步認識到聚苯乙烯泡沫塑料是一種吸水率低，隔熱性好的保溫材料，在凍土路基溫度場的保護和凍害治理方面是可行的；其二通過eps保溫板在現場工程實踐中的應用分析，研究了保溫板在保護路基土層溫度場的實際效果以及修築路堤后造成的影響，保溫板對土體含水量、凍結上限的影響，通過實測資料，研究了在一個完整的凍融周期內整個路基的凍脹量和融沉變形量，論證了保溫板的實際應用效果，對有關問題的進一步研究和相關工程設計具有參考意義；其三，通過計算機數值分析，建立有限元分析模型，對保溫路基的溫度場進行了模擬計算，論證了路堤高度對保溫材料效果的影響。 -
This work can be summarized as follows : 1 ) we define several reference frames, including earth reference frame, radar reference frame, target reference frame. then, we give the conversion relationships on the basis of introducing the model of the conversion model
本文的主要工作如下: （ 1 ）完成了在模擬系統中用到的雷達視線坐標系、速度坐標系和目標坐標系的定義，在介紹坐標系轉換模型的基礎上給出了各個坐標系之間的轉換關系式。 -
The choice dam type is especial importance, during the designed research of the rock - fill dam, particular under the rock - fill dam with very deeply cover layer, the stress and strain of the middle wall and cutting interpenetration wall of the dam foundation is mostly sensitive, whether the. design of dam is scientific and reasonable, it is very important for cutting interpenetration and stability of the dam, the article offer the reference for the design of cutting interpenetration in the foundation with deep cover with earth the water conservancy in xiaban zone, based on the study and analysis the design of cutting seep in the foundation with deep cover with earth, cutting interpenetration concrete wall and the joining model of cutting interpenetration material in body of dam and the applying effect in the practical worko based on the foundation which absorbed and summarize the achievement of design and research in the inter and outer country, for the project of the clay vertical middle wall and vertical cutting interpenetration, the asphalt concrete vertical middle wall and vertical cutting interpenetration the clay inclined middle wall and the lever carpet layer cutting interpenetration, respectively in terms of the different stage of complete period sluice period and working condition, adopting nonlinear calculate and analysis with the finite element method ; carrying the analysis and study with the 3d finite element method as to the different joining model of the left bank high slope cutting interpenetration body and the foundation concert cutting interpenetration wall ; carrying the analysis and study with the 3d finite element method as to the effect of the wall stress and strain because of the different elasticity modulus of the concert cutting interpenetration wall through the analysis and study with the different project. have comparatively all - around comprehended the various model dam, particular the distribute rule of stress and strain of the cutting interpenetration system, provide for the important evidence of the plastic area size the join model of the foundation cutting interpenetrate wall and dam body cutting interpenetrate system the choice of the dam model and the design of the structure of the dam body, the result of research and advice have very importance value in design and building for the similarity project
工程設計中，壩型的選取顯得尤為重要，特別對于壩基有深厚覆蓋層的堆石壩，心墻和壩基防滲墻的應力和變形是壩體、壩基最敏感的部位，設計方案是否安全、科學和合理，對大壩防滲和穩定起到至觀重要的作用。本文研究分析了國內外深厚覆蓋層基礎防滲設計、壩基混凝土防滲墻與壩體防滲體銜接形式及工程實際應用效果，為下坂地水利樞紐工程深厚覆蓋層基礎防滲設計的方案選擇提供了參考；在吸收和歸納了國內外堆石壩的設計研究成果的基礎上，對粘土心墻和壩基垂直防滲方案、瀝青混凝土心墻和壩基垂直防滲方案以及粘土斜心墻和壩基水平鋪蓋防滲方案，分別按竣工期和蓄水運行期的不同工作情況進行了有限元非線性計算分析；對左岸高陡邊坡的大壩防滲體與基礎混凝土防滲墻的不同結合型式進行了三維有限元靜力計算分析和研究；對混凝土防滲墻不同彈性模量對墻體應力和變位的影響進行了三維有限元靜力計算分析和研究。通過對不同方案的計算分析和研究，比較全面的了解了各方案壩體，尤其是防滲體的應力和變形分佈規律，為壩型選擇、壩體結構設計、基礎防滲墻與壩體防滲體的結合型式以及塑性區大小的確定提供了重要依據。 -
The earth's surface itself serves as the reference space.
地球表面即可視為基準空間。 -
The distinct trait of sun synchronic orbit satellite is that there will be the same sun conditions in the subpoint of the satellite wherever the satellite is, it benefits the earth reference equipments. and the regressive orbit satellitr ' s trait is that the satellite can cover the earth periodic, it benefits the dynamic reconnaissance. because of these merits, the sun synchronic and regressive orbit become one of the most popular orbit types
太陽同步軌道的主要特點是衛星在任一時刻其星下點的陽光條件基本相同，這對衛星上對地儀器的工作是非常有利的。而回歸軌道的特點是周期性地覆蓋地球，這有利於對地球上動態目標的偵察。由於以上的優點，太陽同步回歸軌道成了所有衛星軌道中最常見的軌道之一。 -
Abstract : sewage sludge briquette made of 2 % ( dry basis ) sewage sludge, 0. 3 % white earth, and coal powder was studied under conditions of briquette similar to modeling and gasificaition for briquette on ammonia synthesis. briguette with white earth was taken as a reference. the results showed that rate of gasification of sewage sludge briquette was 50 % higher than that of briquette of white earth at 1100. ash melting point of sewage sludge briquette reached 1440 which satisfied the requirement of gasification of ammonia synthesis. results showed that no pollution took place in these processes, and the gas generated can meet the demand of ammonia synthesis
文摘:以污泥添加量為2 % （干基）白泥添加量為0 . 3 % （干基）所制得的污泥型煤為研究對象，以白泥添加量為5 . 5 %的白泥型煤作為參照，考察了污泥型煤的氣化特性和二次污染.研究結果表明，在1100以上高溫下，污泥型煤的氣化速率比白泥型煤高50 %以上；污泥型煤的灰渣軟化溫度達1440 ，能滿足合成氨氣化要求；污泥型煤無二次污染，其氣化成分符合合成氨原料氣的要求 -
The thesis analyses the influenced factors on the stratum displacement and earth pressure, for example, the thickness of grouting layer, soil property, stiffness of linings, the relative depth of burial, and so on. the results reveal the laws that stratum displacement and the distribution of earth pressure vary with those factors. those results may have some reference value to the construction of shield tunnel
論文較全面地分析了注漿體厚度、土質條件、襯砌剛度、隧道相對埋深對地層位移和襯砌土壓力分佈的影響，揭示了地層位移和土壓力的分佈特徵隨各影響因素的變化規律，這些結果對盾構法隧道的施工和設計具有一定的參考價值。 -
The height of a thing above a reference level, especially above sea level or above the earth ' s surface
高度；海拔在某個參考平面，特別是海平面或地面以上一個物體的高度 -
To get the goal, the paper detailed presents the two types different pipe jacking building technology and site test about the bigger caliber steel pipe in the course of pipe jacking by engineering example ; propose the concrete way of improving and perfecting the new technology in the air - power pipe jacking ; make progress on applicability and spreading in use on pipe - jacking ; detailed indicates the earth - pressure balance theory and handling technology on the key technology of pipe jacking which supply reference to pipe jacking construction in shanghai areac
鑒于以上目的，本文通過工程實例對兩種不同類型的頂管施工技術及大口徑鋼管頂進過程中的原體測試進行了詳盡的介紹。提出了氣動頂管新技術的改進、完善的具體方法，加大了其實用性及可推廣性；詳細闡明了土壓平衡理論、頂管施工關鍵點的處理技術，對相關施工，特別是上海地區的頂管施工，提供了可借鑒參考的依據。 -
The idea behind the experiment is simple : put a spinning gyroscope into orbit around the earth, with the spin axis pointed toward some distant star as a fixed reference point
實驗背後的原理十分簡單：將轉動的回轉儀放在環繞地球的軌道，轉軸指向遠處星體，作為固定基準點。 -
Abstract : earth pressure on a anchored pile sheet wall and a reinforced earth retaining wall, are obtained by prototype observation, finite element method and theoretical analysis. the results can be used as reference for lateral pressure of similar retaining structures
文摘:對一座錨拉式樁板墻和一座楔形鋼筋混凝土塊拉筋加筋土擋墻，將原型觀測、有限元計算、理論計算得到的土壓力進行分析和比較，所得結論可供設計類似支擋結構時計算土壓力參考。 -
Abstract : according to the fragment warhead of the missile, we propose dynamic characteristic of fragment dispersion in different reference frames, calculate dynamic distributing density function in earth reference frame and missile reference frame, and point out the dispersion section of the warhead is different from the dynamic distributing density in earth reference frame and missile reference frame
文摘:以某型防空導彈的破片殺傷式戰斗部為例，分析了在不同坐標系中的破片動態飛散特性，分別計算出在地面坐標系和彈體坐標系中破片的動態飛散密度函數，指出在不同的坐標系中戰斗部的飛散區和飛散密度不同。 -
The importance of this problem lies in the fact that the earth is a rotating frame of reference.
這個問題十分重要，因為地球就是一個轉動參照系。
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