方位天文學 的英文怎麼說

中文拼音 [fāngwèitiānwénxué]
方位天文學 英文
positional astronomy
  • 方 : Ⅰ名詞1 （方形; 方體） square 2 [數學] （乘方） involution; power 3 （方向） direction 4 （方面） ...
  • 位 : Ⅰ名詞1 （所在或所佔的地方） place; location 2 （職位; 地位） position; post; status 3 （特指皇帝...
  • 文 : Ⅰ名詞1 （字） character; script; writing 2 （文字） language 3 （文章） literary composition; wri...
  • 學 : Ⅰ動詞1 （學習） study; learn 2 （模仿） imitate; mimic Ⅱ名詞1 （學問） learning; knowledge 2 （學...
  • 方位 : position; bearing; direction; points of the compass; placement
  1. It was not until years later that the first all sky radio map was obtained by amateur astronomer grote reber, who had spent lots of effort in the measurement. he found that there was a fundamental difference

    直到后來，經過一位業餘天文學家雷柏grote reber多年的努力和認真地做這方面的測量，才得到一幅全天的射電圖。
  2. Finally, with the help of the program written in asp language, the 3d model of denture, added up with of the human faces, was compounded to provide the preview, in the ways of both fixed and motion pictures. [ results ] 3d digital model of human natural teeth and the corresponding rpd components were successfully developed. with the data base governing the 3d digital model files set up, the program of application written in asp languages was compiled and tested to run without errors, completing the initial foundation of 3d - preview system for clinical and educational practice in prosthodontics

    平臺開發是利用三維編輯軟體3dsmax製作了正常天然牙列和口腔修復學中整鑄可摘局部義齒的各組成部件、精密附著體及其他的一些相關三維模型，建立了基於sql - server的數據庫管理系統，以供方便地調用各種三維模型，合成牙列和修復義齒三維模型，再引入人頭模型引擎，通過三維模型製作多角度平面渲染圖或四川大學碩士學位論文三維動畫，作為素材上傳數據庫供二級用戶調用。
  3. Abstract : bridge function and generalized bridge function are all three - valued function, and are made by initial sequence according as copied or shifted ways. they include some familiar orthogonal function of non - sine, such as walsh function. this paper briefly introduced some research advance on this subject, emphasized to introduce the copy theory and generalized copy method. the process of making ( generalized ) bridge function, its property and application, were introduced briefly

    文摘:橋函數和廣義橋函數均為三值函數系，都是將初始序列經復制方式和移位方式變換后而形成的.它們包括了一些常見的非正弦正交函數，如沃爾什函數和方波函數等.簡要介紹了近10年來北京航空航天大學通信與電子系統博士點在非正弦正交函數方面研究的一些新進展，重點介紹了復制理論和廣義復制方法，橋函數、廣義橋函數的復制生成方法、性質及其應用等專題
  4. Abstract : the thesis deals with the poetry creation of ling yi, a poetic monk in the middle of tang dynasty, and the relationship between him and his friends, including meditative mates. thus, the author attempts to discover his unique position of reviving parties and dearing source and course in history, and his artistic style of solitary charm and exquisite taste

    文摘:詩僧靈一是一名天才的詩僧，其方外詩友廣泛，他十分重視詩歌創作，在中晚唐詩禪文學史上具有振派澄源的歷史地位和孤韻幽逸的詩歌風格。
  5. Flip back and forth rapidly between two similar bitmaps. what catches your eye ? astronomers once did this routinely to detect comets

    在兩個相似的位圖間快速地翻來翻去，你的眼裡出現了什麼？天文學家曾經遵循這種方法去發現彗星。
  6. Ms sharon lau said, " the observatory staff is pleased to see the observatory s service being appreciated and complimented by the aviation user community. we are proud to be able to contribute towards hong kong s quest for a leading position in the aviation weather service in the world.

    高級科學主任劉心怡小姐說：天文臺的同事對獲得各界的嘉許，都覺得十分欣慰，能為香港在航空氣象服務方面贏取國際領先地位作出貢獻，我們感到無上光榮。
  7. Cai, 1998 ; bikai nie, & bingying wang, 2000 ) provided evidence that, while our students outperformed on problem - solving tasks, the result was not the same on problem - posing tasks. because most students learned mathematics and developed increased mathematical capacities only when they participate in instruction focused on rich and worthwhile mathematical activity. however, in the circles of mathematics education, there was a universal sense, that is : our mathematical education loses contact with reality ; students solve problems not related to real life ; the mathematical activity students conducted mostly focused on memorization and mechanical use of procedures rather than the use of mathematical knowledge and tools to explore patterns, frame and solve problem, etc.

    課堂是學生學習數學、發展數學認知的主陣地，我國學生的數學認知在上述方面表現出來的差異可以從數學課程與教學中尋找原因： 「中國數學教育脫離實際」 （張奠宙， 1994 ） ； 「在強調素質教育的今天，絕大多數課堂教學仍然是傳授知識加技能訓練的傳統教學模式」 ， 「學生的數學學習仍然是一種『復制型』的『消極』學習」 ， 「學生幾乎沒有獨立思考、探索發現的機會」 （季素月， 1996 ） ；我國數學課程在「探究」和「背景」上「較薄弱」 ，在「運算」和「推理」等方面「要求過高」 （鮑建生，博士學位論文， 2002 ） 。
  8. The performance of the pbg antenna using the new pbg cover together with a pbg substrate is studied by the fdtd method together with the pml boundary treatment. the numerical results show that a more focused beam radiated in the broadside direction is achieved. the gain of the pbg patch antenna in the forward direction is improved by about 6 db. the radiation directivity is improved significantly and reaches 11. 5 db, which is 0. 4 db less than the maximum value that is allowed physically for this size of the antenna ( this difference is about 4. 1 db less than the difference achieved by thevenot et al.,

    用fdtd方法並結合pml吸收邊界條件，我們對加了這種新的覆層結構並且基底鉆孔的復合結構電磁（光子）晶體貼片天線的性能進行了研究，結果證明加了這種新的電磁晶體覆層結構以後，天線的波束收攏很多，並且向前輻射的增益大大提高，與普通天線相比，天線的e面和h面方向圖上向前輻射的增益均提高了約6db ，另外，該復合結構天線的方向性系數達到了11 . 5浙江大學博士學位論文db ，與該物理尺寸天線的方向性系數的理論極限值（ 11 . 9db ）相差0 . 4db ，該差值比thevenot等人設計的電磁晶體覆層天線的相應差值減少了約4 . 1db ，比qiu等人設計的電磁晶體天線的相應差值減少了約1
  9. Abstract : through the survey of master degree theses on landscape architecture from peking university, beijing forestry university, chongqing university, southeast university, south china agricultural university, huazhong university of science and technology, nanjing forestry university, tianjin university, tongji university, and china agricultural university from 1996 to 2006, the analysis in width and depth is made on the aspects like the quantity changes, research areas and directions, research features and existing problems of master degree theses, so as to analyze and summarize the academic research development lines of landscape architecture in china in recent 10 years, and explore the development trend of future academic research of landscape architecture

    摘要:通過對北京大學、北京林業大學、重慶大學、東南大學、華南農業大學、華中科技大學、南京林業大學、天津大學、同濟大學、中國農業大學10所院校1996 ? 2006年來風景園林碩士學位論文的統計分類，從廣度和深度兩方面分析碩士學位論文的寫作數量變化、研究領域與方向、研究特徵、存在問題等多方面內容，以期分析總結近10餘年來中國風景園林學科學術研究的發展脈絡，從而探尋未來中國風景園林學科學術研究的發展趨勢。
  10. The orbit of venus, for example, is inclined 3. 4 degrees to earth ' s orbit, so even when venus is in the same direction as the sun ( “ in conjunction, ” as astronomers say ), most of the time it is too far above or below the ecliptic to cross the sun ' s face [ see top illustration in box on opposite page ]

    例如金星軌道和地球軌道有3 . 4度的夾角，因此即使金星和太陽在同一個方位（天文學家稱之為合） ，大部份時候金星都遠在黃道的上方或下方，而不是橫過太陽表面（見右頁金星凌日的幾何學） 。
  11. Overlap between the second hand and minute hand, or the 11th overlap between the minute hand and hour hand, which is 12 hours later. actually it is easy to see this must be one of the answers. but it is a bit surprising that they simply do not overlap at other times

    天文學家斯特格及奧爾特在1950年提出在太陽以外五萬個天文單位的地方，有一個包圍著太陽系，以太陽為中心旋轉的雲團，我們所見的長周期彗星，就是從這個彗星雲又稱為奧爾特雲而來，估計那裡有1 ， 000億顆彗星，其總質量比地球質量小，繞太陽公轉一周需時數百萬年。
  12. Based on chinese tracking and data relay satellite ( ctdrs ) in the future, the antenna pointing control and complex control theory of user satellite are studied deeply in this dissertation, which is funded by the improve item of dept. of astronautic engineering and mechanics ? “ the teaching demonstration of antenna pointing control system in tdrss ”. the main contents of this dissertation are consisted of the following parts : firstly, dynamics equation is derived using lagrange equation for user satellite, so as the kinetics equations of user satellite at the same time are expressed in the form with matrix differential equations that is suitable for attitude control system design and analysis

    本學位論文結合航空宇航科學與技術學科研究生教學基地實驗室建設項目「中繼系統星間鏈路天線指向控制系統教學與演示實驗」 ，以我國跟蹤與數據中繼衛星系統為背景，對某型號用戶星星間鏈路天線指向跟蹤控制和復合控制理論進行深入的研究，研究內容主要包括以下幾個方面: 1 .利用lagrange方程建立了用戶星的動力學方程，同時推導了運動學方程，並將這組動力學方程以矩陣微分方程形式表示，使之適用於姿態控制系統的設計和分析。
  13. By simulating of transient field in the photoconductor of thz photoconductive antenna, the curve of instant electric current was given here, and the result was validated by fdtd method. the influence of transient field to thz out put was mentioned in this paper too

    通過對thz光電導天線中瞬態電場的模擬，得到了晶元內瞬西安理工大學碩士學位論文態電流的變化曲線，並通過fdtd方法對瞬態電流模擬結果進行了驗證。
  14. To do so, astronomers resort to fourier analysis, a mathematical technique that allows them to break a complex curve into a set of simple ones called sine waves

    為了達到這個目的，天文學家們採取了傅立葉分析方法? ?這是一種數學研究方式，它允許天文學家們將一個復雜的曲線圖分解位一些叫做「正弦波」的簡單曲線。
  15. As is seem from above, if the natural ground is filled directly in high - fill side slope at liho airport. the entire stability of the side slope filled is good. there are n ' t global stability problems alongside with the hight of the strong - moderate weatheing mud shaly, but there are n ' t unstable location partly, alongside with overburden slipping

    四川大學工程碩士專業學位論文通過以上分析得知，荔波機場高填方邊坡若直接在天然地基上填方，填方邊坡整體穩定性較好，場區不存在沿強一中風化泥頁巖的深部整體失穩問題。
  16. The thermal distortion test of 5x8 sub - array panel was done in high temperature and normal pressure environment. the methodology, procedure and results of thermal distortion test are explained in detail. the test shows the differences between measuring results and fea analyzing results are quite limited

    介紹浙江大學博士學位論文空間4 10米可展開天線的動力耦合分析及實驗技術研究韋娟芳了常溫高溫下的5x8子陣板的熱變形試驗，包括試驗方法、試驗步驟以及數據採集設備。
  17. Greenwich mean time would become an " irrelevance " if proposals to redefine how time is measured are accepted, an historian at the royal observatory greenwich, uk, has warned

    英國格林威治天文臺1位歷史學家警告，重新界定計時方式的提案如果獲得接受，格林威治標準時間將變得「永無意義」 。
  18. The result shows that this kind of adaptive control method has robust performance to a great extent because of the special dynamic compensation for external disturbance in these two systems. lastly, this dissertation introduces the main development techniques used for exploring distributed 3d flight platform which can validate advanced flight control laws in theory and method. based on windows 2000 / xp os ( operation system ), it synthetically applies real - time simulation arithmetic of control system, oop ( object oriented program ) development technique, tcp / ip protocol - based net - communication technique and api development technique of 3d virtual reality opengl to exploring the distributed simulation platform with friendly a

    本文對于驗證先進飛行控制理論的分散式三維飛行模擬平臺主要開發技術進行了原理和方法上的介紹，文中在基於windows2000 xp操作系統下，綜合運用了控制系統實時模擬演算法、面向對象的軟體oop開發技術、基於tcp ip協議的網路通訊技術及三維虛擬現實opengl的api開發技術，在vc + +應用程序框架的范圍內，開發了具有友好互動式三維界面的分散式模擬平臺，該平臺除了用於先進飛行控制理論的實南京航空航天大學博士學位論文時程序驗證之外，也可以用於航空院校的飛行控制系統教學實踐和飛行訓練的課程，由於開發這一平臺並不需要大量的資金投入，因此具有非常廣泛的應用前景。
  19. Astronomers have since detected more than 200 exoplanets, and such quirks are no longer novel : in their positioning or in some other respect, most differ substantially from the planets of the solar system

    此後，天文學家們先後又發現了200多顆系外行星，而且在這些行星中，上述奇觀也不再新鮮：就軌道的位置或其他方面來看，大多數行星同太陽系的行星存在根本的差異。
  20. Based on the requirements of high precision pointing / targeting of advanced spacecraft, dynamic modeling of spacecraft with flexible appendages bonded with piezoelectric sensors / actuators, attitude control and active vibration suppression theory are studied deeply in this dissertation, which is funded by the research fund for the doctoral program of higher education of china item ? “ large flexible multi - bodies structure spacecraft active vibration control technology ” ( 20050213010 ). the main contents of this dissertation are as the follows : an approximate analytical dynamic model of a flexible spacecraft with surface bonded piezoelectric sensors and actuators is derived using hamilton ’ s principle with discretization by the assumed mode method. the model is then converted to state - space form for the purpose of control design

    本學位論文結合高等學校博士學科點專項科研基金「撓性多體結構衛星主動振動控制技術研究」 （ 20050213010 ）課題，從理論上對粘貼有壓電智能元件的撓性航天器的建模、姿態控制和主動振動控制理論等展開了深入的研究，其研究內容主要包括以下幾個方面:利用hamilton原理推導了撓性航天器的動力學模型、壓電元件的作動方程及檢測方程，並採用模態分析方法，進一步將撓性航天器的耦合方程規范化，使之適應于姿態控制系統的分析和設計。
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