back-field 中文意思是什麼

back-field 解釋
〈美國〉（足球場的）中圈。

  • back : n 1 背，背部；背脊；背面，反面；背後，後部，後面，裏面。2 （指）甲；（刀）背；（手）背；（書）背...
  • 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. Hyperbola model of mgo - mixed concrete ' s autogeny deformation, especially deduce of the model ' s parameter and building process of the model are analyzed in detail. ( 2 ) calculating method of autogeny deformation and creep are discussed. based on these, timely - simulation theory of dam body ' s temperature field stress field and pre - process back - process method are mainly studied

    （ 2 ）對mgo混凝土的自生體積變形及徐變變形的計算方法進行了探討，在此基礎上，重點研究了壩體溫度場和應力場實時模擬的原理以及前後處理方法。
  2. The tiny, black, frightened field mouse showed up in my back yard

    （一隻小的、黑的、令人害怕的田鼠，在我的後院出現。 ）
  3. The effect of exit back pressure and length / height ratio of isolator on forebody / inlet flow field is analyzed and discussed in the paper

    本文還研究了隔離段出口反壓及隔離段長高比對進氣道流場的影響。
  4. As anthropologist ethan powell, hopkins takes his field work with gorillas a little too seriously, reverting back to his animal instincts, killing a couple of people, and alienating his daughter maura tierney in the process

    在歲月的流逝中，安東尼霍普金斯以其在銀幕上眾多栩栩如生的形象向人們證實了他那過人的演技和天賦的才華。
  5. When reconnection is initiated on the dayside magnetopause, the interconnected imf and geomagnetic field lines are swept back by the solar wind over the earth ' s poles, pouring energy into the northern and southern lobes of the long magnetotail on the nightside

    當磁力線重連在晝側的磁層頂上開始發生，連在一起的imf和地球磁場磁力線便被太陽風往後吹，掃過地球南北極，把能量灌入長磁尾的南北兩葉。
  6. Strange delight inspired me : on i hastened. another field crossed - a lane threaded - and there were the courtyard walls - the back offices : the house itself, the rookery still hid

    一種奇怪的喜悅激勵著我，使我急煎煎往前趕路，穿過另一片田野走過一條小徑看到了院墻但后屋的下房府摟本身以及白嘴鴉的巢穴，依然隱而不見。
  7. It was founded in its present form in 1989, but its origins can be traced back in the ‘ 60s when its founder began his activity in the field of seedbeds and irrigation network installations

    這個公司的雛形形成與於1989年，但公司的歷史可以追溯到60年代，當時這個公司主要從事灌溉網路的安裝。
  8. When molecules are solvated in the solution, the solute molecule polarize solvent molecules around it and this gives rise to a field reaction field acting back - ob - the molecule, which will have effects on the structure of solvated molecules and their optical properties

    當分子溶解在溶劑中時，溶質分子將使溶劑發生極化現象，被極化的溶劑反過來又會產生一個反應場作用於溶質分子，從而影響溶質分子的幾何結構和光學特性。
  9. Through measuring residual swhirling flow field in the flue duct of a real boiler, and analysing layout features of front and back platen supe - heaters in large - scale tangential firing boilers, the flue gas energy distribution regularity in horizontal flue duct of tangential firing boilers has been studied

    摘要通過對實際鍋爐煙道煙氣殘余旋轉流場的測量及大型切圓燃燒鍋爐前、后屏過熱器的布置特點分析，研究了切圓燃燒鍋爐水平煙道煙氣能量的分佈規律。
  10. A slot was cut in the back plate of the double - foil shield to improve the flow field with air diversion method. the flow field and droplets trajectory near the shield are simulated in wind tunnel by fluent software to analyze the wake flow affecting the spray drift. from simulation, the improved shield spray in reducing drift is better than double - foil shield spray and conventional spray in six types of wind velocity

    本文採用導流法在雙圓弧罩蓋上開口，利用fluent模擬分析和比較罩蓋噴霧流場，並模擬該流場下的霧滴運動軌跡來分析霧滴的飄失性，模擬結果表明：結構改進后的罩蓋噴霧流場得到改善，其減少霧滴飄失的效果好於原罩蓋，更優于常規無罩蓋噴霧。
  11. In this article the author elaborates his experience in track and field teaching and extra - curricular training for many years and analyzes the definition and harm of " early turning the shoulder ", and then proposes several teaching methods for control and correction of back slide of shot put in turning the shoulder movement and matters

    就多年來田徑教學和業余田徑訓練的經驗，闡述和分析了「過早轉肩」的界定和危害，並提出了幾點控制和糾正背向滑步推鉛球「欲速則不達」的轉肩動作的教學方法及注意事項。
  12. But in 1990, the newly - formed field patrol detachment began to take back sole responsibility for guaranteeing the sanctity of the land border

    但在一九九零年，維持邊境安靖的任務開始逐步轉交新成立的野外巡邏支隊獨力肩負。
  13. Analysis study on displacement field of surrounding rocks of two parallel tunnels with arbitrary shapes and its application to back - analysis of displacement

    兩平行的任意形狀洞室圍巖位移場解析法研究及其在位移反分析中的應用
  14. As to planar visco - elastic prediction of settlement, this paper fixes on range of the back - calculation parameters range, analyzes back - calculation parameters which are indispensably in the course of anti - analysis. since it is difficult to acquire the optimization result in simultaneous back - calculation, this paper puts forward a calculation method which combined with investigation data and field experiment data to minimize the parameters to get optimization

    （ 2 ）針對二維粘彈性沉降預測，確定了模型反演參數的取值范圍，對于多層軟土地基變量同時反演很難獲得最優解的問題，提出結合工程勘察和現場實驗以減少參數的方法獲得最優解。
  15. The study of degenerate elliptic equations can be traced back to 1910 ' s, first appeared in picone ' s thesis. after half century ' s development in this field, o. a. oleinik and e. v. radkeic, published their classic monograph second order equations with nonnegative characteristic form in 1971

    而這類方程的特徵形式在所研究的區域上是變號的，即在有的子區域上非負，而在其餘的子區域上非正。
  16. Remember back in the day when we waited for the stars in the corn field

    記得我們那時候在玉米地里看星星。
  17. First, in virtual of identification of flaws is a typical of in - verse problems, proceeding from time - harmonic electromagnetic maxwell ' s equa - tion and helmholtz equation, the uniqueness and existence of direct scattering problems including the numerical algorithms of diverse of boundary conditions is given. second, the uniqueness and existence of inverse scattering problems and the theory of ill - posed integral equation are briefly looked back upon. finally, indicator function method for boundary identification is set up under all kinds of boundary conditions for inverse scattering of homogenous and inhomogenous objects, meanwhile, the proof of possibility for near - field measurements and nu - merical simulation are given

    由於缺陷的識別是一類典型的反問題，因而首先從時諧電磁maxwell方程和helmholz方程出發，具體地闡述了求解正散射問題的有關方法，包括各種（夾雜）邊界條件下的數值解法，就解的存在性唯一性給予了肯定的回答；隨后對逆散射問題的理論作了簡短的回顧，包括解的唯一性以及非線性不適定積分方程的處理等；然後對均勻介質和非均勻介質的逆散射問題建立了在各種邊界條件下的邊界識別的指示函數方法，鑒于近場數據獲得的重要性，對近場測試時邊界識別的方法給予了相應的證明，並且實現了數值模擬。
  18. It can separate sync signals from ntsc, pal and secam video signals, and produces composite sync output signal, back porch output signal, horizontal sync signal, vertical sync signal and odd / even field output signal

    它可以對ntsc 、 pal 、 secam制式的視頻信號進行同步分離，獲得所需的同步信號，還能準確地輸出復合同步、后沿輸出、行同步、場同步和奇/偶場輸出信號。
  19. In the multitudinous intrusion event, the hacker often gain control of the target computer through exploiting essential system process, and leaves trojan horse or back door in the system after a successful intrusion, which provides a shortcut for next access. therefore the process detection for the exploited system process and the trojan horse is important topics in the intrusion detection field

    在眾多的入侵事件中，黑客往往通過感染關鍵系統進程獲得目標主機的系統權限，並在成功入侵后在目標主機留下木馬、后門作為下次入侵的捷徑，所以對這些受感染的系統進程以及木馬、后門進程進行檢測是入侵檢測技術研究的重要課題之一。
  20. The 38 - year - old right - hander, on the disabled list with a strained left hamstring, will be back on the field saturday to work on fielding drills and test himself covering bases

    這位38歲的右投手，因為左腿拉傷進了傷兵名單，即將在星期六回到球場上練習與守備。
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