field description 中文意思是什麼

field description 解釋
欄位描述
  • field : n 菲爾德〈姓氏〉。n 1 原野，曠野；（海、空、冰雪等的）茫茫一片。2 田地，牧場；割草場；〈pl 〉〈集...
  • description : n. 1. 記述，敘述，描寫；記載。2. 敘事文；（物品）說明書；相貌說明書。3. 種類。4. 作圖；繪制。
  1. Description : cover crops for conservation agriculture, diversification and biodiversity : radish ( iapar variety ), very effective for weed control, decompaction and good fodder ; lots of bees in the field

    保護性農業中覆蓋作物的多樣化和生物多樣性。蘿卜作為覆蓋作物有效的控制雜草、疏鬆土壤；它還是好的動物飼料，吸引大量的蜜蜂。
  2. Through the study above, a refined description and modeling to flow field and water surface near the groyne in river is conducted with 2 - d and 3 - d mathematical models. the results by simulation are consistent well with experiment data

    通過上述研究，作者採用二維和三維數學模型對水槽試驗和天然河道中丁壩附近流場和水面形態進行了精細地描述和模擬，計算結果和實測結果吻合良好。
  3. Description of irregular inhomogeneous refractive index field

    無規則非均勻折射率場描述
  4. Field balancing equipment. description and evoluation. fth : laboratory methods in anechoic and semi - anechoic rooms

    現場配平設備.說明和評價.在消聲室和半消聲室里進行評價的實驗室方法
  5. The thesis uses missile system - of - systems combat simulation as the application background and focuses on the research of modeling and experimentation of system - of - systems combat simulation. the contents are summarized into the following parts : ( 1 ) after analyzing the problems of simulation model specification in the field of missile system - of - systems combat simulation application, the hierarchical description and composition method based on system - of - systems, entity and behavior is proposed as the modeling methodology of system - of - systems combat simulation, which is seb composable modeling methodology. then, the reference model of seb methodology and the modeling reference view of various hierarchies are discussed

    論文以導彈體系對抗模擬為應用背景，重點研究體系對抗模擬中的建模和實驗問題，具體研究內容包括: （ 1 ）面向導彈體系對抗模擬應用，分析體系對抗模擬模型描述中存在的主要問題，提出體系-實體-行為的分層次組合描述方法，作為體系對抗模擬的建模方法，即seb組合建模方法，並給出其參考模型和各個層次建模的參考視圖。
  6. Field balancing equipment - description and evaluation

    現場平衡設備的說明和評價
  7. Le pouliguen, france. event schedule and description, field maps and directions, contacts and pictures

    法國。事件時間表和描述，地地圖和方向，接觸和圖畫。
  8. At the other hand, we can perform the rrpa calculation with the continuum replaced by a set of outgoing single particle resonances, it indicates that the resonances in the continuum play an important role in the description of nuclear dynamical processes, such as collective giant resonances. energies, widths and wave functions of the single particle resonant continuum are determined by solving scattering states of the dirac equation with proper asymptotic conditions for the continuous spectrum in the r ' elativistic mean field theory. the relativistic regular and irregular coulomb wave functions are calculated numerically

    在進行相對論無規位相近似計算時將連續譜中所有的正能態用單粒子共振態來代替，並且在計算中採用單粒子共振態的真實寬度，利用這種方法我們計算了核的同位旋標量巨八極共振響應函數，並且和考慮了連續譜中所有正能態貢獻的結果進行比較，計算結果表明，連續譜中只考慮單粒子共振態對核的集體激發的貢獻時，給出的響應函數基本上能夠重現考慮了所有正能態貢獻時的計算結果，這說明了在核的集體激發中，連續譜中主要是單粒子共振態的貢獻。
  9. Secondly, introducing the image analyzing technology with reference to the disadvantages of the traditional ferr - graph analysis technology, and with the combination of characteristic parameter optimizing filtration so as to raise a description method of debris micro - morphologic character. thirdly, with the application of mode recognition method, completing the process of debris auto - recognition based on the collected information of the debris configuration characteristics ; and conducting the diagnosis on the aero - engine wear faults according to the theory of particle tribology. fourthly, introducing information fusion technology to solve the problem that a single method can not collect enough fault premonitory information to conduct the wear fault diagnosis, hence to conduct the research and exploration in the field of comprehensive diagnosis on the aero - engine ' s multi - fault premonitory information

    本文的研究工作主要包括以下五個部分：首先，介紹航空發動機常見的磨損故障類型，研究磨損故障的失效機理，分析磨粒的產生機理、分類以及形態特徵：其次，針對傳統鐵譜分析技術的缺點，引入圖像分析技術，再結合特徵參數優化篩選，形成基於圖像的磨粒顯微形態學特徵描述方法：然後，基於提取到的磨粒形態特徵信息，應用模式識別方法完成磨粒自動識別，並根據顆粒摩擦學的基本原理進行航空發動機磨損故障的診斷與定位：再后，鑒于單一方法不能提取足夠的故障徵兆信息進行磨損故障診斷，本文引入信息融合技術，開展航空發動機多故障徵兆信息綜合診斷方法的研究與探索；最後，基於航空發動機滑油光譜分析與鐵譜分析數據，應用時序模型、灰色模型以及組合模型進行磨損故障的預測方法研究。
  10. It is the main purpose of this paper to calculate the energy splitting of ground state and excited states induced by thermally assisted quantum tunneling. first, a brief introduction is given for the theoretical and experimental studies on the magnetic macroscopic quantum effects. then, spin tunneling in a uniaxial ferromagnetic particle in transverse magnetic field is converted to a pseudoparticle moving in effective double - well potential with the help of the effective potential description of quantum spin systems developed by ulyanov and zaslavskii. finally using the periodic instanton method we evaluate the transition amplitude, energy shift and prefactor of wkb exponential and the energy splitting of ground state and the tunneling rate for excited states induced by thermally assisted quantum tunneling are obtained

    文章首先對磁性宏觀量子效應的理論和實驗方面作了簡單介紹，然後藉助于ulyanov和zaslavskii發展的一種等效勢描述方法，把外磁場沿難磁化軸方向時的自旋隧穿約化成在等效雙勢阱中運動的粒子，利用瞬子方法給出基態能級劈裂，最後利用周期瞬子方法分別計算了隧穿幅、能級移動以及wkb前因子，從而給出由於熱助量子隧穿引起的激發態的隧穿率。
  11. As a best practice, any known information about an existing service being modeled should be added to the service s description field

    作為最佳實踐，關于被建模的現有服務的任何知道的信息都應該被添加到服務描述欄位中。
  12. Phytosociological description of vegetation has always been found on field sampling alternating with studies of the releves at home.

    植被的群落學描述已經常以野外抽樣為基礎來取代室內樣地記錄的研究。
  13. Experimental results of four - photon de broglie wavelength measurement are analyzed based on a local description for the quantum state and optical field of photon pairs generated from spontaneous parametric down - conversion ( spdc )

    摘要採用對自發參量下轉換過程產生的光子對的量子態和光場的非糾纏態描述，分析了由自發參量下轉換過程產生的四光子的德布羅意波長測量的實驗，得到了與實驗觀測相一致的結果。
  14. Description : located between xiaodao bay and laoshan bay, southeast of aoshanwei, jimo ; daguan island 0. 58 square kilometers and xiaoguan island 0. 29 square kilometers, resided and with well - protected natural vegetation, rocks and cliffs, proposed for investment in construction of accommodation facilities in folk culture and fishing field

    項目概況：位於即墨市鰲山衛鎮東南海域的小島灣與嶗山灣之間，大管島面積0 . 58平方公里，小管島面積約0 . 29平方公里，均為有居民島，自然植被保護完好，島周圍遍布奇石怪礁，規劃建設以漁家風情和海島垂釣等為主的度假產品。
  15. The research of this paper is spread out mainly around 5 aspects : ( 1 ) the description of xmarc information theory system based on xml under network environment ; ( 2 ) the advanced design of field xmarc metadata ; ( 3 ) the foundation of k - s - c special knowledge relation by the identification " keyword + subject + category " ; ( 4 ) the establishment of xmarc theme knowledge automatic indexing and its algorithms ; ( 5 ) the research on knowledge processing method of concept retrieval and the theme classification based on xmarc

    本文主要的工作是圍繞五個方面展開的：建立網路環境下基於xml的xmarc信息描述理論體系，比較設計領域的xmarc元數據，構建以「關鍵詞+主題詞+范疇號」標識的知識關系k - s - c （ keyword - subject - category ） ，建立xmarc主題知識的標引方摘要法及其演算法，提出xmarc主題知識的分類與詞句概念檢索方法。
  16. We rederive the eqpm, however, with the potential field description of the effective quantum spin modeled from weakly linked two - component becs

    我們用等效量子自旋模型的勢場描述方法得到了弱耦合雙組分bec精確量子相位模型（ eqpm ） 。
  17. By initiating the values of vector description for a primitive element, all finite field elements could be generated by continue cyclic shifting, gmw sequences then could be generated by trace function calculation

    通過預置本原元向量表達的初始值，不斷的進行向量循環移位來生成有限域中的元素。生成有限域中所有元素后，即可按跡函數計算出gmw序列。
  18. Items, fabric / material s generic description and percentage composition. field no. 2 must show the same flight date an shown on transport documents

    加拿大海關發票必須顯示產品的詳細描述，面料的分類描述以及構成成分和比例。
  19. Specification for geotechnical field description

    巖土工程現場描述規程
  20. The exact electromagnetic field description of photon emission, absorption, and radiation pattern. ii

    關于光子輻射、吸收及輻射圖形的精確電磁場描述ii
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