section at key 中文意思是什麼

section at key 解釋
拱壩拱冠斷面
  • section : n 1 （外科、解剖的）切斷；切割；切開。2 【外科】切片，【金相】磨石。3 （果子的）瓣。4 【數學】截...
  • at : 1 Air Transport（ation） 2 【電學】 ampere turn 3 antitank 4 Atlantic Time 5 alternative technolo...
  • key : n 1 鑰匙。2 要害，關口，要沖。3 關鍵，線索，秘訣；解法。4 （外國書的）直譯本，圖例，題解，圖解，...
  1. A key signature is placed at the beginning of a piece of music or of a section to indicate the key of the piece or section

    調號位於一篇音樂作品或一章節的開始部分，來表示該作品或章節的調域。
  2. To do the investigating and studying work about the achievements of tackling key problem of the quondam exploration of front - zone of mountain, to analyze and study the applicability about the gathering technology used in the seismic exploration of the complicated construction belt of front - zone of mountainous ; 2. combining the quondam achievements, researching the design method of observation system objective of the complicated construction belt based on seismic - geology model, firstly, building the surface level and deep layer seismic - geology model of complicated construction belt and analyzing the forward model, secondly, designing the observation system aiming at the overthrust nappe structure in section and in area ; 3. aiming at the complicated earth ' s surface condition of front - zone of mountain, how to select the exciting method and the parameter, how to optimize the environment of exciting method and reception, how to pledge the normal combination of the datum of different exciting method ; 4

    根據山前帶的地震地質條件特點，本文主要研究了以下幾個方面的內容： 1 、對以往山前帶地震攻關成果開展調研工作，分析研究在山地山前復雜構造帶所採用的地震勘探採集技術的適用性； 2 、研究基於地震地質模型的復雜構造帶觀測系統目標設計方法：如何建立復雜構造帶的表層、深層地震地質模型，利用正演分析目標區的觀測系統；針對逆掩推覆體構造，如何分區分段有針對性設計觀測系統等； 3 、針對復雜地表條件的山地山前帶，如何選擇激發方式、參數，如何優選激發、接收環境，如何保證不同激發方式的資料能正常拼接； 4 、山前帶巨厚礫石區的表層結構調查技術及靜校正方法研究。
  3. Fabrication of the box beam is divided into such parts as reinforcement, formwork, concreting, prestressing, moving and storing of beam, pipe grouting under pressure, end sealing of the beam, water - proof layer on the bridge surface system, protective coating etc. the paper makes description of effective box beam construction technology and workmanship which can be adopted in other projects, such technologies as : manufacturing and fixing of reinforcement, steel reinforcement fixing baseplate, web plate and top plate respectively and lifting the steel skeleton into form, requirements of design and manufacturing and way of utilization for dismantling - erection type formwork and hydraulic formwork, optimization of concrete ratio, concrete pouring process of two ends of beam in priority over the middle, in sequence of first baseplate followed by web plate and top plate at last, concrete pouring in inclined section and in horizontal layer, concrete vibration mainly by external vibrator in assistance with internal vibrator, methods and regulation for steam curing of concrete, dual controls over stress and strain to ensure quality of prestressing workmanship, construction method of effective beam moving by heavy - weight special moving facility, some regulations and key notes about construction of grouting under pressure, beam ends sealing, water - proof layer on the bridge surface system, protective coating

    箱梁製造由鋼筋工程、模板工程、混凝土工程、預應力工程、移存梁工程、孔道壓漿工程、梁體封端工程、橋面防水層和保護層工程等施工環節組成。文中介紹的採用胎具製作和綁扎鋼筋，分底腹板和頂板分別綁扎並吊裝鋼筋骨架入模；拆裝式和液壓式兩種模板的設計、製作要求和使用方法；綜合考慮、優化混凝土配合比，混凝土灌注從兩端至中間、先底板、后腹板、再頂板的施工順序和斜向分段、腹板水平分層、附著式振搗為主、插入式搗固為輔的施工工藝，蒸汽養護的方法和規定；應力應變雙控制確保預應力施工質量的施工技術；採用重物移運器有效移梁的施工方法；壓漿、封端、橋面防水層和保護層施工的一些規定和注意事項等都是對箱梁製造行之有效的施工技術和施工方法，並可為以後類似施工作借鑒。
  4. Considering that the characteristics of our country ' s highway tunnels are always of long spans, tabular and of various geometry, by means of thorough analysis of the different problems existed in the design of support structures of the tunnels at present, this paper pays special attention to the two key problems, optimization method of form selection of structural section of the tunnel as well as the stability and bearing capacity of the support structures, in the design of the long and large tunnel on high - class highway, introduces the simplified complex - form optimum method in the structure optimization theory, discusses the optimum design model of lining section of highway tunnel with satisfying demands in building clearance, ventilation and load conditions, puts forward an optimization method of form selection of three different kinds of lining sectional forms ( i. e. single - center circle, three - center tabular circle and three - center sharp circle ), establishes a complete set of systematic optimum design the ory and method of long and large tunnel on high - class highway, develops the corresponding computer software used on the planned xuefeng mountain highway tunnel on shaoyang to huaihua expressway in hunan province for optimization of form selections of the structural sections, and obtains a series of relatively reasonable structural design parameters

    本文針對我國公路隧道多為大跨度、扁平、幾何形狀呈多樣化的特點，通過深入分析目前隧道支護結構設計中存在的各種問題，抓住高等級公路長大隧道設計中隧道結構斷面的優化選型及隧道支護結構的穩定性與承載能力兩個核心問題，引入結構優化理論中的簡易復合形優化方法，深入探討了滿足建築限界、通風條件、受力狀態約束等條件下公路隧道襯砌斷面優化設計模型，提出了三種襯砌斷面形狀（單心圓、坦三心圓和尖三心圓）的優化選型方法，建立起一套完善的高等級公路長大隧道的系統優化設計理論與方法，並開發出相應的計算機程序，用於擬建的上海至瑞麗國道主幹線湖南省邵陽至懷化高速公路雪峰山長大高速公路隧道的結構斷面優化選型，得出了一系列較為合理的支護結構設計參數。
  5. In this paper, the spatial and temporal distribution of the summer rainfall of north china and the sea - ice extent of north arctic are firstly analyzed, by the way of svd we also analyze the correlation distribution pattern of the spring north arctic sea - ice and the summer rainfall of china, and find out that the key section of north arctic sea - ice is the greenland sea, then the climate characteristics of the spring greenland sea - ice are analyzed, at last we have discussed the infection of the spring greenland sea - ice on the summer rainfall of north china and its possible ways

    本文首先分析了華北夏季降水和北極海冰面積的時空變化特徵，並通過svd方法分析了春季北極海冰面積與中國夏季降水的相關分佈型，確定出北極海冰的關鍵區格陵蘭海，然後分析了春季格陵蘭海冰變化的氣候特徵，最後討論了春季格陵蘭海冰對華北夏季降水的影響及其可能影響途徑。
  6. Integrated virtual experiment & measurement technology ( ivemt ) for distributed department of product is a synthesized technology, which can achieve exp - erimentation and measurement of multi - system cooperating or single - system at the local or at the different section. it was an important technology to improve synthesized capability of experiment and measurement industry research project, to shorten research period. as key technology of the advanced industrial technology, the commission of science technology and industry for national defence has listed it in the basic research project for national defence of the " tenth - five project "

    分散式協同綜合虛擬試驗與測試技術（ ivemt ）是一項能夠實現本地或異地不同部門的多系統或整機試驗與測試要求的綜合技術，對提高試驗與測試行業的綜合能力、縮短產品研製周期等具有重要意義和作用，已被列入國防科工委「十五」國防基礎研究計劃的先進工業技術研究領域的重要課題。
  7. Analyze and estimate the development of mobile communication industry. then we analyze the success experience of ntt docomo ' s i - mode, the failure teaches of wap promotion in europe, the - competition situation and the advantage & weakness of china mobile group, the character and development situation of china mobile group ' s data services : s ms & gprs. according to market subdivision & orientation, business operation mode, product price - making, product development, business innovation and strategic orientation of the company, we bring up six strategies that china mobile group should take in mobile data service development at present, that is, absorb icp in all aspects and develop different and creative applications & contents fast, establish the object market as soon as possible and provide services according to the demand of different market, make & apply the key technical standards and bring up technical demand to cell phone manufacturers & the other cooperation colleagues, quicken the construction of gprs network & data platform, dominate & promote the development of global mobile business by entering an alliance with the leading enterprises in the world, promote the reorganization of mobile data service section to insure the successful practice of related strategies

    本文首先對中國目前的通信行業的演變歷程進行回顧和分析，特別對移動通信行業的發展進行了全面的分析和預測，通過對nttdocomoi - mode成功經驗及歐洲wap推廣失敗教訓的剖析，結合中國移動通信集團公司當前面臨的競爭態勢以及自身的優勢和弱點，並針對中國移動通信集團公司兩大移動數據業務sms和gprs的特點和發展現狀，從市場細分定位、商業運營模式、產品定價、產品開發、業務創新、運營商的戰略定位等方面，提出了近期中國移動通信集團公司在發展移動數據業務時應採取的六大應對策略，即：廣泛吸納icp ，大力開發豐富多彩、有創意的應用和內容；盡快確定目標市場，提供針對細分市場需求的服務；加快制定並實施關鍵技術標準，對手機製造商和其他合作夥伴提出技術要求；加速gprs網路及數據平臺建設；通過與全球領先的企業建立合作聯盟，主導並推動全球移動業務的發展；推進數據業務部門的組織重組，確保相關戰略的成功實施。
  8. At present, a number of key projects have been completed and put into use like the municipal administration building, desheng, shunde exhibition center, the junior section of shunde no. 1 middle school, etc. the nuclear areas have taken shape with easy access of communication

    目前，區內市行政大樓、德勝廣場、順德展覽中心、順德一中初中部等重點建設已相繼投入使用，交通網路四通八達，新城區核心區域建設已基本成型。
  9. Part : the author researched the law of the conflict of laws for resolving the conflict of law of international agency including overview part and the applicable convention of agency law, at the overview part, the author referenced the legislation and judicial practices of some representative countries. the applicable convention of agency law is the key of the section

    在概述部分介紹了具有代表性的國家的立法和司法實踐； 《代理法律適用公約》是本章重點，作者借鑒公約的有關規定，細致研究了代理的內部關系、外部關系和代理權的法律適用問題。
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