define field 中文意思是什麼

define field 解釋
定義欄位
  • define : vt. 1. 為…立界限，限定，規定。2. （弄）明確。3. 為…下定義，定界說。
  • 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...
  1. The original orientation ( i. e. the mol with respect to the geographical north ) of the core in the formation can be obtained by palaeomagnetic orientation tests. the two results are combined to define the direction of the maximum principle stress of the well or field

    該方法根據差應變分析（ dsa ）實驗確定地應力相對于巖心標志線的方向，利用古地磁方法確定巖心標志線相對于現代地理北極的方位，兩者結合確定地應力方向。
  2. This paper use the ncep / ncar day - to - day reanalysis data of 500hpa high field and so on, choose ural mountain, baikal, okhotsk as the key district, the mid - high latitude of eurasia circulation courses that have long duration ( scale of time is middle, namely during 10 - 30 day ), maybe continue continuously after being intermittence of 1 - 2 days in middle, appear repeatedly is for research object, define an index " i " of the circulation pattern over mid - high latitude of eurasia. a method is proposed to identify the summer typical persistent circulation pattern at 500hpa levels over eurasia mid - high latitude. the climate characteristics of those typical persistent circulation patterns are studied

    本文利用ncep / ncar再分析逐日500hpa高度場等資料，選擇烏拉爾山、貝加爾湖、鄂霍次克海這三個地方作為關鍵區，以夏季歐亞中高緯度持續時間長（時間尺度屬于中間時間尺度，即10 ? 30天之間） 、中間可能會間歇1 、 2天然後又繼續持續、反復出現的環流過程為研究對象，定義了一個夏季歐亞中高緯流型指數，在此基礎上提出了一種對夏季歐亞中高緯500hpa典型持續流型的界定方法，研究了典型持續流型的氣候特徵，分析了流型指數的年代際變化，以及對應不同階段、不同流型的降水場、加熱場、海溫場等的主要特徵。
  3. Ctod is not a direct and close parameter for stress - strain field, so it is still difficult to define and measure ctod, but because it can be used to solve the engineering problems effectively, it is widely used in the field of engineering

    Ctod不是一個直接而嚴密的應力、應變場參量，其確切定義和直接測量還存在困難，但由ctod法得到的一些經驗公式能有效地解決工程實際問題，因而得到工程界的廣泛應用。
  4. To specify a field of variable width in a fixed - width file, define the field width as - 1

    若要指定固定寬度文件中寬度可變的欄位，請將欄位寬度定義為- 1 。
  5. A program written to define one or more field by field panels to is stored in a panel data set

    為定義一個或多個要存到屏面數據集中的逐幅屏面而編寫的一種程序。
  6. As for actual embankments, the hydraulic head, cross section shapes, properties of filled soil, geological conditions and so on all vary greatly, it ' s hard to define precisely the distribution of seepage field and take effective seepage prevention measures

    因實際工程中堤防的作用水頭、堤身斷面、填土性質、地質條件等均千變萬化，導致難以全面而準確地分析其滲流場分佈並採取有效的防滲措施。
  7. During the primary period of this field, researchers tried to disclose the reason that leads to learning disability by means of teaching ? heory physiology ^ medicine, but it " s right because the varieties of theories, methods and emphasis that made researchers difficulty to define the phenomenon of learning disabilities accurately

    在該領域的研究初期，人們應用教學論、生理學、心理學、醫學、咨詢學等專業學科方法試圖揭示學習困難問題的成因，但由於研究者所持理論觀點、方法及研究重點的不同，使學習困難問題至盡沒有一個明確、統一的界定。
  8. " define the minimum width in the first field and the maximum in the second

    在第一格輸入最小寬度，第二格輸入最大寬度。
  9. This attachment is about 9 process define and some field control in flow while somebody want to design or architecture can reference it

    9張自己製作的架構圖說明了一個簡單的簽核表單設計所需要的流程與控制欄位。
  10. The second chapter discussed define, characteristic and virtue of field bus, analyzed constitution of field bus control system and difference with traditional dcs. the conclusion is that can is the field bus that adapts to greenhouse climate control after several popular field bus is analyzed, the characteristic and technical specification of can bus is discussed

    第二章闡述了現場總線技術的定義、特點和優點，分析了現場總線控制系統的構成形式，以及跟傳統dcs的區別，通過分析比較幾種主流的現場總線，得出can總線是適合於溫室環境控制的現場總線。
  11. We define the recombination time of excess electrons in p field as the minority carrier lifetime. in theory, we developed the equation between excess minority carriers lifetime and the open - circuit voltage decay ; moreover, the effect of capacitance to general open - circuit voltage is also investigated. both different efficiency solar cells are measured by the method and showed the relations between the minority carrier lifetime and the performance of solar cells, which provides great useful guidelines for fabricating high - efficiency silicon solar cell in industry

    根據太陽電池的工作原理，詳細地論述了用脈沖光源照射n / p結太陽電池時光電壓的產生，理論上給出了注入p區的電子復合帶來的開路電壓與少子壽命的關系，也研究了n / p結勢壘電容放電對開路電壓衰減的影響關系，推導了利用開路電壓隨時間衰減的關系來測量少數載流子壽命的理論公式。
  12. A named attribute of a control, field, or database object that you set to define one of the object s characteristics, such as size, color, or screen location ; or an aspect of its behavior, such as whether it is hidden

    平展行集（ flattened rowset ）表現為二維行集的多維數據集，其中多個維度的元素的唯一組合在一個軸上進行組合。有關詳細信息，請參閱ole db文檔。
  13. This paper makes a professional research on the spatial organization of harbin metropolitan area. through extensive field survey information, define the geographical scope of harbin metropolitan is harbin as area center, an area of about 35, 000 square kilometres in size, with a radius of 100 kilometres around the region of radiation, including at the harbin city and the surrounding wuchang, shuangcheng, acheng, shangzhi, binxian and zhaodong. social - economic development, urbanization and rural development zone building contributed to the development of common harbin metropolitan area formation ; with the reform and opening - up program and the continuous deepening of global economic integration, harbin metropolitan area will face in the future development of more opportunities and challenges

    本文對哈爾濱都市圈空間組織進行實證研究，通過對大量的實地調查資料，界定了哈爾濱都市圈的地域范圍是以哈爾濱為中心，幅員面積約3 . 5萬平方公里，區域輻射半徑為100公里左右，現階段包括哈爾濱市及周邊的五常市、雙城市、阿城市、尚志市、賓縣和肇東市;社會經濟的發展、開發區的建設以及鄉村城市化的發展共同促成了哈爾濱都市圈的形成;隨著改革開放的深入和全球經濟一體化的不斷深入，哈爾濱都市圈在未來發展中將面臨更多地機遇和挑戰。
  14. Lines 7 through 10 define a collection field

    第7到10行定義了一個集合欄位。
  15. Lines 6 through 23 define the attributes of the class and the appropriate field elements

    第6到23行定義了類屬性和適當的欄位元素。
  16. Materialist dialectics and sophisticated essential distinction are the most brillant sophisticated often reflect the paradox in formal logic, it used the field that modern science cannot define

    唯物辨證法和詭辯的根本區別最高明的詭辯往往就體現在形式邏輯的悖論，它利用了現代科學無法確定的領域。
  17. In chapter 1, one type of maximal subgroups in symplectic groups over polynomial rings are obtained. let f be a field, r = f [ x ] be a ring of polynomial in one variable over f, m be a positive integer, f ef and s be the ideal of r generated by - f, we define :, then g ( s ) is a maximal subgroups of sp ( 2m, r )

    在第一章中，得到了多項式環上辛群的一類極大子群：設f是一個域， r = f [ ]是域f上關于的一元多項式環， m是一個正整數， f f ， s是r的由- f生成的理想，則是sp （ 2m ， r ）的一個極大子群。
  18. By comparing the aeromagnetic gradient data with the total field data, it can conclude that ; relative to aeromagnetic t, the gradient abnormality is more visible and it can be used to define the boundary of the magnetic bodies and the position of the fracture structure which could provide more information, especially the measured vertical gradient contain more abundant information than the calculated vertical 1st derivative

    通過對航磁梯度和航磁總場資料的對比，發現航磁梯度場相對航磁t總場而言，異常更加明顯；航磁梯度能更準確地確定磁性體的邊界和斷裂構造的位置，提供更多總場沒有的信息，特別是實測的垂向梯度比計算的垂向一階導數提供的信息更加豐富。
  19. In one field of common endeavor - - biotechnology - - chinese scientists recently completed a rough draft sequencing of the rice genome, thereby providing the foundation for development of more nutritious and hardy agricultural products. at the level of statecraft, the relationship between our two countries, both nuclear powers, both members of the un security council, and perhaps soon to be the two largest economies in the world, will help define the politics, development, and history of this century. clemenceau said that war is too important a matter to be left to the generals

    這種開放和越來越強烈的自豪感，不僅推動著中國經濟達到30年前想象不到的高度，而且使中國科學家躍居現代科研和探索的前沿。在其中一個共同領域生物技術方面，中國科學家最近完成了水稻基因工作框架圖，為培育更有營養價值和耐寒性的水稻奠定了基礎。
  20. Therefore, it is useful to decrease nitrogen application amount or even with n application in split time so as to decrease the n loss and leaching in the paddy - field. 6. to define and calculate even productivity of nitrogen in the surface water - body ' of paddy field ( epnw ), marginal productivity of nitrogen in the surface water ( mpnw ) and elasticity coefficient of nitrogen in the surface water ( ecnw ), indicated that epnw and ecnw increased with n application amount increase, however mpnw has no the rule

    6 .定義和計算水氮平均產生力、水氮邊際產生力和水氮產生力彈性系數，表明水氮平均產生力和水氮產生力彈性系數是隨著施氮量的增加而增加的，而水氮邊際產生力隨施氮量的增加並沒有表現出明顯的增加趨勢。
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