正常重力線 的英文怎麼說

中文拼音 [zhēngchángzhònglìxiàn]
正常重力線 英文
normal gravity line
  • 正 : 正名詞（正月） the first month of the lunar year; the first moon
  • 重 : 重Ⅰ名詞（重量; 分量） weight Ⅱ動詞（重視） lay [place put] stress on; place value upon; attach im...
  • 力 : Ⅰ名1 （力量; 能力） power; strength; ability; capacity 2 [物理學] （改變物體運動狀態的作用） forc...
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 正常 : normal; regular; average
  • 重力 : [力學] gravity; force of gravity; gravity force; power of gravity; pull of gravity; gravitational...
  1. Bridge engineering is important throat part in highways and railroads. it is critical to ensure its loading ability and normal function for smooth moving in a whole line

    橋梁工程是公路和鐵路的重要咽喉部位，確保其承載能力和正常使用性能是全線運行暢通的關鍵。
  2. Topics include : planets, planet formation ; stars, the sun, " normal " stars, star formation ; stellar evolution, supernovae, compact objects ( white dwarfs, neutron stars, and black holes ), plusars, binary x - ray sources ; star clusters, globular and open clusters ; interstellar medium, gas, dust, magnetic fields, cosmic rays ; distance ladder ; galaxies, normal and active galaxies, jets ; gravitational lensing ; large scaling structure ; newtonian cosmology, dynamical expansion and thermal history of the universe ; cosmic microwave background radiation ; big - bang nucleosynthesis

    課程的主題包含了：行星、行星形成；恆星、太陽、正常的恆星、恆星形成；恆星演化、超新星、緻密天體（白矮星、中子星及黑洞） 、波霎、雙x -射線源；星團、球狀及疏散星團；星際介質、氣體、塵埃、磁場、宇宙射線；距離階梯；星系、正常及活躍星系、噴流；重力透鏡；大尺度結構；牛頓宇宙學、宇宙的動力膨脹及溫度發展歷史；宇宙背景微波輻射；大霹靂核合成。
  3. Avoiding the difficulties of detecting the difficult parameters in furnace control and of building up the models, integrated with fuzzy control and conventional pid control, abb ’ s control it system is used to predict the bloom surface and center temperature directly based on the temperature of furnace wall easily to be detected so that the temperature settings in various furnace sections can be self - corrected, the furnace temperature of each section self - adjusted and on - line parameters of combustion control self - optimized. in addition, the heating parameters and the operating status of the field plant can be monitored with alarm

    採用abb公司的controlit控制系統，避開爐子控制中遇到的困難參數檢測及建模困難等因素，直接根據容易檢測的爐壁溫度來推知鋼坯表面溫度及鋼坯中心溫度，將模糊控制技術與常規pid控制相結合，實現各段溫爐設定值自修正、各段爐溫自協調、各參數在線自整定的自尋優最佳燃燒控制;對熱工參數、現場設備的運行情況進行監視、報警，實現爐膛壓力、管道壓力、換熱器的保護控制，並將重要參數送往廠級mis網路。
  4. With the development of modern industry, the nonlinear loads of power system are greatly increased. they absorb the non - sine current waves from power network and result in voltage aberrance. voltage aberrance makes the power quality severely deteriorate, endangers the safe and economical running of power system and affects some users ’ s normal work

    隨著現代工業的發展，電力系統中的非線性負荷大量增加，這些非線性負荷從電網吸收非正弦電流，導致電網電壓發生畸變，使電能質量嚴重惡化，危及電力系統安全和經濟運行，影響了用戶的正常工作。
  5. Engineering drawing has always been labeled as a practical subject. a combination of geometrical, building. mechanical and electrical drawing, it relates between theory and the picture of reality. engineering drawing will provide an accurate and complete ptcture for every object tn terms of shapes and sizes. usually, it is taught using the face - to - face teaching mode even in an odl environment. due to its nature, some students may find difficulty in imagining and interpreting the drawings. however, the availability of sophisticated technology provides the opportunity for the learning of engineering drawing to be enhanced via online. a web - based system for teaching and learning engineering drawing was developed based on a constructivism model. the web - based system is tailored for several topics of engineering drawing such as orthographic projection, sectional view, isometric and oblique drawing at the secondary level. the learning strategy consists of multiple phases beginning with introduction, concept learning, engineering drawing method, application and exercises. during introduction, students will be exposed to an overview of the topic followed by learning of specific concepts. the system provides a learning environment that allows engineering students to view objects from different angles, such as third angle projection and first angle projection as well as views of plans, side and front elevations. after learning about the concepts, students wilt be guided through the various steps in drawing methods for each topic via animations and simulations. learners are able to view any section repeatedly. examples of real application of engineering drawings were also given using graphic, animations and video. to evaluate students understanding, exercises were given at the end of each session

    工程制圖一直被認為是一門實踐性學科，其整合了幾何學、建築、力學、電子制圖等，從而將理論與現實圖像聯系起來，工程制圖能為每個不同形狀、尺寸的物體提供精確的、完整的圖像.通常，即使在開放與遠程教育環境中，工程制圖的教學也是通過面對面的教學模式來進行的.由於其特殊性，一些學習者可能難以想象並解釋這些圖像.然而，尖端的技術使得可以通過在線的方式加強工程制圖的學習.研究者基於建構主義模式開發了一個面向工程制圖教學和學習的網路系統.該系統適用於幾種工程制圖，例如展開圖、刻面圖、等角圖和斜角圖.學習過程包括導論、概念學習、工程制圖方法，以及應用與練習等階段.在導論階段，系統為學習者提供了專題簡介，然後是概念學習階段.系統所提供的學習環境允許工程專業的學生從三維透視、一維透視、平面圖、側立面、正立面等不同角度來觀察物體.經過概念學習階段后，系統將引導學生通過動畫和模擬學習每個專題中制圖方法的不同步驟，學習者也能重復觀察任何剖面.另外，還通過圖像、動畫和視頻等方式展示真實的工程制圖應用案例.最後，為了評價學生的理解能力，在每部分內容後面都附有相關的練習
  6. Methods condylar compressive mechanical properties and its bone mineral content were analyzed quantitatively by compressive mechanical property measurement technique and dual energy x - ray absorptiometry in 6 and 6 adult dogs undergone either high shaping or reconstruction of condyles respectively, and compared with 12 normals

    方法採用壓縮力學性能測試技術和雙能x線吸收法，定量分析12側正常、 6側髁突高位切削術及6側關節重建術的成年雜種犬髁突的壓縮力學性能和骨礦含量。
  7. In winter the outside temperature is - 15 ~ - 30, the wet coal freezes seriously in transportation. the frozen coal thick is about 400mm, sometimes freezes to a whole one, the unloading work is extremely difficult, affects the turnover of coal train, possessing rail cars and the railway, makes the railway transport strength not be fully displayed. it has created national manpower, financial resource loss, but in domestic and foreign, the development of movable frozen coal unloader is the blank

    在冬季北方室外平均氣溫在- 15oc ~ - 30oc ，濕煤在外運的過程中凍結現象嚴重，凍層厚在400mm左右，有時整車凍實，作業十分困難，影響運煤列車的周轉，造成壓車，壓線現象，使鐵路運力得不到正常的發揮，造成了國家人力，財力的損失，而國內外對于移動式卸凍煤機械的研製也是空白，為此急需研製一種能夠卸凍煤的可移動式卸煤機。
  8. Since some experiments cost not only lots of money, but also people resource and time, the finite element analysis ( fea ) of rc structures is becoming increasingly important

    而某些試驗研究不但非常昂貴，還需要耗費大量的人力、時間，因此鋼筋混凝土結構非線性有限元分析正突顯出日益重要的作用。
  9. Self - erection system is applied to construction of most of modern large span concrete bridges. in the process of construction, cantilever beam is changing continuously because of the gravity of concrete, the stretching force, the load and temperature variation etc. in order to ensure that two cantilevers constructing opposite can normally close up and that the bridge linearity can accord with design, flexibility deformation has to be monitored

    現代大跨度混凝土橋梁多採用自架設體系施工，在混凝土自重、張拉力、橋面荷載、溫度變化等的作用下，懸臂梁體處于不斷的變化之中，為保證對向施工的兩端懸臂能正常合攏和控製成橋線形符合設計要求，需要對施工過程中的撓度變形進行監測。
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