field acquisition 中文意思是什麼

field acquisition 解釋
野外採集
  • 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...
  • acquisition : n. 1. 取得，獲得；習得。2. 取得物，獲得物[人]。3. 【無線電】探測。
  1. It was the first trial to employ the newly equipped migration data acquisition and analysis system for the scanning entomological radar and, a twin light - trap developed in china for, systematic long - term observations of migration of the beet armyworm spodoptera exigua, beet webworm loxostege sticticalis and cotton bollworm helicoverpa armigera in northern china the study provided direct evidence for the migration of 5 ". exigua in china, many parameters of migratory behaviour of the three species of insects, a better understanding of the relationship between migratory behaviour and wind or temperature field. the results enriched the theory of migration and provided new scientific knowledge for pest management in china

    本研究初步闡明了我國華北地區空中昆蟲群落結構，首次使用我國自行研製的掃描昆蟲雷達的數字化數據採集及分析系統，及價廉、高效的姊妹燈誘蟲法對華北地區甜菜夜蛾spodopteraexigua 、草地螟loxostegesticticalis和棉鈴蟲helicoverpaarmigera的遷飛進行了長期系統地觀測，得到了甜菜夜蛾在我國北方遷飛的直接證據，三種害蟲遷飛行為的若干參數，認識了昆蟲遷飛行為與風溫場的關系，豐富了昆蟲遷飛理論，為我國害蟲的治理提供了科學依據。
  2. It is ill suited to meet the demands posed by an expansion of unconventional and asymmetrical threats in an era of rapid technological advances and pervasive proliferation. i will work to develop a new acquisition strategy - one designed to take advantage of modern u. s. industrial practices - that will enable us to develop and field weapon systems at a speed that reflects the needs and possibilities of the new century

    過去廿年裡，中國在建立新經濟上成效卓著，使超過二億人脫離赤貧；經由新的通訊網把更多人連結在一起，其規模相當于每年增加一個貝爾電話的子公司。全中國新出現的非營利與社會組織超過一百萬個，文字及廣播媒體則爆增廿五倍。
  3. The parameters that influence the single photon acquisition probability are the transmitter ' s tracking - pointing error, the far - field divergence angle, the link distance between transmitter and receiver and the receiver ' s antenna aperture

    得到影響單光子捕獲概率的主要參量是發射機的跟瞄誤差、光束遠場發散角、發射機和接收機的鏈路距離和接收機天線孔徑。
  4. The knowledge source which have relative stable form and glossary is analyzed, and the data mining step for this kind of knowledge is designed, viz. filter by key word - intercept - field specialist confirm. the standard glossary table and the " value " of each words is established, which enhance the expert system ability to knowledge acquisition and light the rough task of knowledge banks maintenance

    分析了具有相對固定格式和術語的知識源，設計了適用於這類知識源的電子文本知識挖掘的步驟，即：關鍵詞過濾?截詞?專家確認；形成了專業用語的標準化表和標準詞賦值表，增強了系統的知識獲取能力，減輕了專家系統的知識系統維護。
  5. A data acquisition system with the following features is realized : ? transmission rate up to 100kbyte / s over usb ; ? system ' s dynamic range as high as 120 db ; ? multi - kind of trigger mode control ; ? sampling rate as high as 100 ksps ; ? 12 - bit a / d conversion accuracy ; ? 32k bytes on - board data memory ; ? the system, which was made up of large - scale electronic chips, is small, light and portable, and suitable for field use

    本設計最終實現了一個瞬態信號數據採集系統，它具有以下特點： ?採用usb介面進行高速數據傳輸，傳輸速度達100kbyte / s ； ?採用浮點a / d轉換技術，動態范圍達120db ； ?多種采樣觸發控制方式； ?最高采樣率100ksps ； ? 12位采樣精度： ? 32kb數據緩存； ?使用新型大規模電子器件，系統結構緊湊，重量輕，適合野外作業。
  6. Abstract : an easy method for determining the lateral fold number of 3 - d seismic swath is presented. it is described in details that the non - vertical time error and selection method of vertical line direction. based on existing conditions of 3 - d seismic data acquisition in coal field, an assumption of 3 - d broad azimuth data acquisition is provided to remove the disadvantages of non - uniform azimuth distributions from old observation system

    文摘:提出了線束型三維觀測系統橫向覆蓋次數的一種簡易確定方法，詳細論述了非縱誤差的實質及縱測線方向的選擇方法，根據目前煤田三維數據採集現狀，提出了寬方位角的設想，以便克服以往三維觀測系統中方位角分佈不均的弊端。
  7. Electives include secondsign language acquisition, bilingualism, sociolinguistics, approaches to discourse, linguistic applications to information technology, sign language studies, sign linguistics, evolution of grammar, language survey in the field, lexical studies, comparative grammar, and language, cognition and emotion, etc. the data are drawn primarily from english, cantonese and mandarin. where necessary, data from other languages will also be brought into the discussion

    第二語言獲得、手語獲得、雙語研究、社會語言學、話語分析、語言學在資訊科技中的應用、手語研究、手語語言學、語法的演進、語言實地考察、詞匯研究、比較語法及語言、認知及情感等等。
  8. 2. because the data acquisition equipment researched in laboratory must be taken out to the field to acquire the experiment data, we must make it to work independently

    該系統將來需要走出實驗室到實際的試驗現場去採集數據，如果不能脫離主機，那麼使用起來就很不方便，因此，要求我們必須使其能夠脫機工作。
  9. Because pc is widely used in scientific research and industrial field, developing a low - cost and high performance data acquisition system based on pc to satisfy the demand of digital information processing technology is necessary

    Pc機在我國科研和生產中應用十分廣泛，因此要求開發基於pc機系統的高性能廉價的數據採集系統，以滿足數字信息處理技術的需要。
  10. How to get multi - channel spectrometric data with high efficiency is an important issue in nuclear data acquisition field

    如何高效地獲取核能譜多道數據是核數據採集領域里的重要課題之一。
  11. Knowledge acquisition is one of three major factors which should be dealt with in systems based on knowledge. it is so difficult to achieve knowledge that it is often considered as the crucial and decisive factor in knowledge system. difficulties in expert - orientd knowledge acquisition are especially prominent in the field of rice cultivational simulation - optiminzation - decision making

    知識獲取是基於知識的系統必須解決的三個關鍵問題之一。知識獲取是困難的，以致於被認為是制約知識系統成敗的瓶頸問題。在水稻栽培計算機模擬優化決策領域，面向專家的知識獲取問題尤為突出。
  12. The digitizer based on pxi bus uses fpga ( field programmable gate array ) to implement 256 points, radix - 2 dit fft ( fast fourier transform algorithm ). the design uses pipelining for fft processing and can accomplish sampling and processing signals of two channels at the same time. in the signal acquisition circuit, - a / d convector is used to enhance the precision of the signal sampling

    在本設計中，採用fpga （ fieldprogrammablegatearray ）實現了256點基2dit演算法復數fft （ fastfouriertransformalgorithm快速傅氏變換演算法）處理器，具有較高的速度和運算精度fft ，設計採用流水線處理方式大大的提高了處理速度，可實現對兩個通道輸入信號的并行採集與處理。
  13. This paper describes the main difficulties in conducting three - dimensional seismic exploration under the complex surface condition of lakes and swamps, and puts forward corresponding technical measures for guaranteeing the quality of field data acquisition and in - door data processing

    摘要介紹了在湖泊沼澤復雜地表條件下開展三維地震勘探的主要難點，並提出了針對性的技術措施，保證了野外數據採集和室內資料處理的質量。
  14. The field s most dramatic acquisition came in 1997, when it paid us 8. 4 million for a tyrannosaurus rex skeleton named sue. found a few years earlier by a less - than - savvy rancher who sold it for us 5000, it s the best - preserved skeleton of the fierce meat - eater yet found

    為目前發現的保存最完整的史前最兇猛的肉食動物骨架，而有趣的是該骨架是幾年前由一位對恐所之甚少的牧場工人發現的，售價僅為五千美元。
  15. Biodiversity exists among am fungi and is influenced by numerous factors including soil properties and plant species. if am fungi are to be used in sustainable agricultural systems it is necessary to study native am fungi in the target areas and then select efficient isolates that can be applied as inocula in the field to improve crop growth. the objectives of this study were to investigate the germplasm of am fungi, to understand the distribution pattern of am fungi in different ecological conditions such as area, soil factor and host plant, to select isolates effective in nutrient acquisition by the host plant sweet potato, to test their effectiveness under field conditions, and to monitor amf after their introduction into the field

    本研究通過調查我國北方部分地區的am真菌資源，研究了am真菌的種群組成及其在空間、土壤利用方式和宿主植物類型等不同環境條件和空間尺度上的分佈規律；在此基礎上，根據它們對甘薯的生長、吸磷效應篩選出高效菌株，在大田條件下研究了am真菌菌絲的分佈特性、代謝活性及其對甘薯產量和品質的影響；並通過分子探針跟蹤調查了引入am真菌在共生體中的發育和表達，以期為菌根真菌的生產應用提供技術支持。
  16. With the continuously expanding of seismic exploration in the basin, it is carried out to tackle key problem of mountainous seismic technology, based on the old data analysis and exploration experience, through implementing a series of measures including observation system design aimed at the target, fine investigation for surface structure, sampled parameters test, well depth design by selecting rock and bed and other acquisition techniques, a series of more mature exploration technique suited for complex mountainous region has been developed and the break through has been made its quality of data acquired field, providing the strong technique support for petroleum exploration in complex mountainous region

    隨著盆地地震勘探的不斷深入，在總結，分析以往資料和勘探經驗的基礎上，在該區進行了山地地震攻關，通過針對目標的觀測系統設計，精細的表層結構調查、科學的採集參數試驗、選巖選層的井深逐點設計及其他相應的採集技術措施，形成了一系列比較成熟的復雜山地勘探技術，在野外採集資料品質方面取得了突破性的進展，為復雜山地的油氣勘探提供了強有力的技術手段。
  17. To lead the deployment of country and and area and local sales strategies, driving both acquisition and retention of revenue across through the effective deployment of field sales ( & teleslaes staff where appropriate )

    領導部署全國、區域和本地的銷售戰略，通過合理部署路區銷售員（或在合適的分公司設有電話銷售員） ，促進實現和維持預算的收入水平。
  18. We have imported some state - of - the - art equipments such as : high - frequency vibroseis and multi - level geophones for field data acquisition. by doing so, we have acquired high - quality seismic data with high sample rate, high signal to noise ratio and high frequency content

    在採集上，引進國外高頻可控震源，多級檢波器等主要設備，得到高采樣率、高信噪比、高解析度的高品質資料。
  19. In order to take further research of performace and optimize working parameters in strong magnetic field, beam test was carried out. the test results showed that the full - length prototype and its data acquisition system could work successfully in the strong magnetic field with good performance

    為了在強磁場的復雜環境下進一步研究全長模型及其數據獲取系統的性能，優化工作參數進行了束流實驗。此項工作是漂移室建造過程中一個極為關鍵的環節。
  20. Combined with years of the worked experience and some application examples, this paper expounds several important principles which should be strictly abided by during the field acquisition of seismic three - component data

    摘要結合多年的工作經驗和應用實例，闡述了三分量地震資料野外採集時應遵守的幾個重要原則。
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