directional structure 中文意思是什麼

directional structure 解釋
定向構造
  • directional : adj. 1. 方向的。2. 【無線電】指向的，定向的。
  • structure : n. 1. 構造，結構；組織；石理，石紋。2. 建造物。3. 【化學】化學結構。4. 【心理學】（直接經驗中顯現的）結構性，整體性；整體結構。adj. -d ,-less adj.
  1. Directional demolition bl asting of shel l structure cooling tower

    薄壁冷卻塔的定向爆破拆除
  2. Firstly, the connected end sets of the relay lines are got using the breadth first search algorithm and the connected relationship of wiring terms is got in the electrical circuit diagram according to different cad block structure of different element type. secondly, the appropriate specification of the relay element is chosen by using the equinoctial graph algorithm, and the panel layout diagram is generated automatically by the combining automatic layout and manual intervention. finally, the optimized path algorithm which passes each vertex in the completed non - directional graph once and only once is put forward, this algorithm and the prim minimum spanning tree algrotithm can generate the inner panel wiring diagram and terminal wiring diagram automatically

    首先，採用廣度優先搜索演算法查找電氣原理圖中的連通導線端點集，並根據不同類型的繼電元件對應的cad圖塊結構的不同，得到電氣原理圖中元件接線端子之間的連接關系;其次，根據二分圖匹配演算法為電氣原理圖中繼電元件選擇合適的型號和規格，並採用人工干預和自動布置相結合的方法完成屏面布置圖的自動生成;最後，提出了完全無向圖中經過每個頂點一次且僅一次的優化路徑演算法，利用該演算法和經過預處理的prim最小生成樹演算法自動生成屏內安裝接線圖和端子接線圖。
  3. A new planning method - analysis of factors of point line and area and control points optimization, which is based on the analysis of urban spatial structure, is tried to put forward. analyzing the important functional clusters in the spatial layout of the urban, the intracity medium - long distance vehicle traffic major directional desire line how the urban to link up with the highway network and the whole structure of expressway system, the skeleton of the expressway network can be obtained. using the degree of importance method analytic hierarchy process ( ahp ), one or several intersections can be selected

    該法對城市空間結構布局中的重要節點、主要的中長距離機動車交通流徑期望線的分佈、大城市與區域干線公路網的銜接以及快速路系統線網的整體結構等進行分層次的分析研究，得出快速路系統線網構架，運用重要度法、層次分析法找出大城市重要功能組團中重要程度最高的一個或數個關鍵交叉口作為快速路系統線網規劃的控制點，考慮快速路線路走向的控制點對線路走向進行優化。
  4. Low velocity coupled growth and banded structure of peritectic alloys under directional solidification

    細晶變形鎂合金的研究進展
  5. Then novel circuit structure of bi - directional voltage mode ( based on forward converter ) inverters with high frequency link, are proposed, which is constituted of input cycloconverter, high frequency transformer, output cycloconverter, input and output filter ; the circuit topologies family of this bi - directional voltage mode inverters with high frequency link include six circuit topologies, such as push pull - full wave mode, push pull - full bridge mode, half bridge - full wave mode, half bridge - full bridge mode, full bridge - full wave mode, and full bridge - full bridge mode etc. taking full bridge - full bridge mode circuit as an example, principle of uni - polarity phase shifting controlled bi - directional voltage mode inverters with high frequency link is introduced

    本文首先論述了dc / ac逆變技術的應用前景及發展現狀。基於正激forward變換器的雙向電壓源型高頻環節逆變器電路結構，由輸入周波變換器、高頻變壓器、輸出周波變換器、以及輸入、輸出濾波器構成;雙向電壓源高頻環節逆變器電路拓撲族，包括推挽全波式、推挽橋式、半橋全波式、半橋橋式、全橋全波式、全橋橋式六種電路。
  6. A novel bi - directional dc / dc converter was introduced in the dissertation, which based on refer much converter data. the soft switching, phase - shifted pwm and bi - directional dc / dc converter hang together, depress circuit switch ullage and noise effectively, which provide condition to increase switch frequency, efficiency and reduce size and weight for the converter ; at the same, the converter have the virtue of structure compact, voltage and current stress small etc such as ordinary hard switch converter

    本文作者在查閱國內外大量雙向dc dc變換器資料的基礎上，採用一種新型雙向dc dc變換器的拓撲結構，把軟開關技術和移相控制pwm技術以及雙向dc dc變換器技術有機結合在一起，有效地降低了電路的開關損耗和開關噪聲，為變換器裝置提高開關頻率、效率以及降低尺寸及重量提供了良好的條件。
  7. The soft switching, phase - shifted pwm and bi - directional dc - dc converter hang together, depress circuit switching loss and noise effectively, which provide condition to increase switch frequency, efficiency and reduce size and weight for the converter ; at the same time, it is proved the converter can achieve zvs in larger load variation, and the converter has the virtue of structure compact, voltage and current stress small such as ordinary hard switch converter

    該變換器把軟開關技術和相移控制pwm技術以及雙向dc - dc變換器技術有機結合在一起，有效地降低了電路的開關損耗和開關噪聲，為變換器裝置提高開關頻率、效率以及降低尺寸及重量提供了良好的條件;同時，能拓寬零電壓開關的范圍，使變換器在較寬的負載變化范圍內都能實現軟開關。
  8. Firstly, this part analyzes location, natural conditions and natural resources, population and labors, socio - economic elements, and the impacts of global political and economic environment change on unbalanced development of japanese regional economy. secondly, through analysis on regional development before the meiji reformation, industrialization, formation of dual structure and regional development after war, this part puts forward that unbalanced development is an objective law and regional development policies of government ca n ' t change structure of unbalanced development essentially. finally, this part sums up motive mechanism of unbalanced development of japanese regional economy, including location directional feature, scale economy, congregation and diffusion economy, putting forward that the overall effects of the three types of mechanisms stated above can be summarized as industrial group effects, which is also the important mechanism of unbalanced development of japanese regional economy

    首先，分析了區位條件、自然條件與自然資源、人口與勞動力條件、社會經濟條件、國際政治經濟環境的變化對日本區域經濟非均衡發展的影響；其次，通過對日本明治維新前的地域開發、工業化及其二元結構的形成以及戰后的地區開發等過程進行了剖析，認為區域經濟非均衡發展是一個客觀規律，政府的地區開發政策並不能從根本上改變非均衡發展的格局；第三，總結了日本區域經濟非均衡發展的動力機制，主要包括區位指向性、規模經濟、集聚與擴散效應，指出上述三種機制的綜合作用可以概括為產業集群效應，即產業集群也是日本區域經濟非均衡發展的重要機制。
  9. 3d - c / sic fabricated with t300 carbon fibers weaved into 3 - dimensional and 4 - directional structure, was deposited pyrocarbon and sic matrix at 950 - 1000 with cvi method. fiber volume fraction of 3d - c / sic was 40 - 45 %, composite density was 2. 01g / cm3 and porosity was 17 %. in addition, the thickness of pyrocarbon interface was 200 nm for interaction fatigue - creep ; the interface layer of pyrocarbon for thermal shock had three thickness obtained by controlling deposition time which were 10h, 20h, 30h, respectively

    3d - c sic是用t300碳纖維編織成三維四向編織體， cvi法在950 - 1000緻密，纖維體積分數為40 - 45 ，密度為2 . 01g cm ~ 3和孔隙率為17 ，用於疲勞蠕變交互作用試驗熱解碳界面層厚度約0 . 2 m ；用於熱震試驗的有三種界面層厚度分別是熱解碳沉積時間10小時、 20小時、 30小時獲得。
  10. With the background of use in contact cable, this thesis introduces cu - cr alloys as studied subject, and from the two ways of solidified process and solidification mechanics, the structure configuration and the behave of separated - out strengthened elements are systematically study under the process of directional solidification

    本文就是以電車線的應用為背景，採用cu - cr合金作為研究對象，從凝固工藝和凝固機制兩個方面，系統地研究了其在定向凝固工藝下的組織形態及其強化元素的析出行為。
  11. We first propose an improved local edge detector to detect road elements from sar images. by introducing prior information of road network, we can organize the local line fragment into useful line structure with directional potential function

    首先利用一種改進的sar圖像局部線特徵檢測運算元獲得公路段基元，然後引入關于公路特徵的先驗知識，利用方向勢能函數將局部線特徵組織成較大線性結構。
  12. The new unit has following technical features : ( 1 ) the unit ' s load is balanced by means of the accumulator and hydraulic cylinder with special structure ; ( 2 ) the installed power of the unit can be reduced greatly by adopting the accumulator ; ( 3 ) variable frequency speed regulation ensures good energy saving effect, and the closed oil circuit requires less hydraulic oil ; ( 4 ) a bi - directional hydraulic lock in the oil circuit ensures the stability and safety of the operation of the pumping unit

    新型機具有4個技術特點： （ 1 ）由於活塞柱塞式液壓缸的特殊結構和液壓蓄能器的配合使用，在平衡抽油機大部分載荷時，不需另外增加配重，可減小抽油機體積、質量和佔地面積； （ 2 ）抽油機下沖程時，與活塞柱塞式液壓缸相連接的蓄能器吸收能量，上沖程時儲存在蓄能器中的能量補充載荷上行所需的能量，大幅度降低抽油機裝機功率； （ 3 ）利用變頻容積調速節能效率高，閉式油路節省液壓油，同時大大減小液壓泵站的體積； （ 4 ）在閉式油路中採用雙向液壓鎖可使抽油機的啟停更加平穩、迅速，其工作的穩定性和安全性更好。
  13. Besides these, it is capable of performing frequency conversion with sinusoidal output voltages and currents at the desired output frequency and allows bi - directional power flow according to the space vector modulation method of the equivalent structure of the ac - dc - ac conversion, the conversion relations of the matrix converter were deeply investigated. the ac - ac direct transformation control and the double - space - vector pwm scheme of the matrix converter were deduced and the modeling, sin ~ iu1ation and experiment of a three - phase matrix converter were implemented

    本文從等效交一直一交變換的空間矢量調制方法出發，深入分析了矩陣式變換器的變換關系，推導出了交一交直接變換控制規律和雙空間矢量pwm調制技術，實現了交一交直接變換控制方式下矩陣式變換器的建模和運行分析，並進行了計算機模擬和實驗研究。
  14. The laws between the composition, structure, quality of materials of lc - hpc is studied by means of sem, mip, and so on testing measures. the reaction of hydration and filling effect of mineral admixture not only reduces the proportion of pore of structure and sizes and odds directional crystal of the unfavorable crystal phases such as ch but also leads to the mining of pore size, so it the effect improves the weak structure of interface transition area

    應用sem 、 mip等測試手段，研究lc - hpc組分、結構與性能之間的影響規律，礦物摻合料的活性、填充等效應，降低了混凝土結構孔隙率，細化了孔徑，減小了ch晶粒尺寸及定向結晶幾率，從而改善界面薄弱過渡區結構。
  15. In the qualitative, quantitative and directional way, successful factors, such as the superiority of marketing, the superiority of resource, the superiority of consumption, and the advantage of corporations supporting, etc, were described, and six important background factors, include of the increasing consumption, the competition from milk market, the challenge of joining into wto, the adjustment of industry structure, the winning against oneself, and accelerating development, were analyzed. new objects were put forward, that is, high quality, rationalizatio n of region distribution, having a core of brand, trade penetrating into various area, diversification of product exploitation, internationalization of preponderant product, and orientating function in market. development of tianjin milk industry should be based on materials and base, take resource integrating and market regulating as means, take trade infiltrating and product development as support, take specialization, industrialization, collectivization and internationalization as orientation, take the development of international milk corporation as mode, and take " creating name brand, entering the first - ten corporation of milk industry " as object

    本文在廣泛調查研究的基礎上，圍繞天津奶業發展，全面客觀地評價了天津奶業發展現狀，採用定性、定位、定量和定向的方法，描述了天津奶業作為城郊型奶業在競爭中形成的市場優勢、資源優勢、消費優勢、龍頭企業依託優勢、外資企業進入優勢、奶類項目援助優勢等眾多成功因素，分析了天津奶業未來保持產業領先地位必須認真對待的消費需求增長、乳業市場競爭、迎接入世挑戰、產業結構調整、克服自身劣勢、促進跨越發展的六大背景因素，提出了天津奶業新一輪發展瞄準優質生產無抗化、區域布局合理化、品牌整合核心化、行業滲透多角化、產品開發多樣化、高點對接國際化、市場避強導向化的目標定位和以原料、基地為基礎、以資源整合和市場調整為手段、以行業滲透和產品開發為支撐、以專業化、產業化、集團化、規模化、國際化的發展道路為方向，以國際乳品企業的發展為模式，以「創造一流品牌、跨入乳業十強」為目標的天津奶業發展思路，以及天津奶業二十一世紀前十年和前二十年兩大階段奶牛養殖的五大奮斗目標和區域布局原則，最後有針對性地提出飼養模式選擇、全流程安全生產、產業化龍頭培育、學生飲用奶推廣、政策扶持等促進天津奶業成長的對策措施。
  16. The flyback inverter that features simplest structure was researched in this dissertation. based on the analysis of the basic flyback converter and bi - directional flyback converter, the basic operation principles of the flyback inverter were presented

    在對反激變換器和雙向反激變換器的基本特性及控制方式分析的基礎上，介紹了反激逆變器的構成及基本工作原理。
  17. The structure design of omni directional moving mechanism

    全方位輪移動機構的結構設計
  18. The main innovations of this paper lie in : flexibility of structure framework and infirmness of controlling with enterprise trade power are the double reasons for promoting the development of marketing combinatorial theories. and the author proposes two suggestions on building the marketing practices in chinese enterprises, namely to increase the flexibility of the structure framework of chinese enterprises and to build and implement all - directional relation marketing

    本文的主要創新之處在於，筆者得出一個初步的結論：組織結構的柔性化與企業交易控制權的弱化是推動營銷組合理論演變的雙重動因；因此對中國企業營銷實踐有一定建設意義的兩條建議是，大力推行組織結構柔性化與實行全方位的關系營銷。
  19. Demolition of a 45 m high special structure chimney by directional blasting

    高特殊構形煙囪定向爆破拆除
  20. Bn is a directed acyclic graph with network structure, which is intuitionistic and easy understanding. it can handle multi - information expression, data fusion and bi - directional parallel reasoning. the ability to colligate the prior information and the current information makes the inference much more accurate and believable

    貝葉斯網路是一種基於網路結構的有向圖解描述，具有多源信息一致表達與信息融合能力，能進行雙向并行推理，並能綜合先驗信息和樣本信息，使推理結果更為準確可信。
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