useful area 中文意思是什麼

useful area 解釋
有效面積,可用面積。

  • useful : adj. 1. 有用的,有益的,有效的,有幫助的。2. 〈俚語〉值得稱贊的,精通…的 (at)。adv. -ly ,-ness n.
  • area : n. 1. 面積;平地;地面。2. 空地;〈英國〉地下室前的空地。3. 地區,地方;〈比喻〉區域;范圍。
  1. And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

    研究結果如下:首先針對荒漠化地區的地物特徵,對高光譜數據不同波段的數據質量、波段組合進行了評價,提出了適用於荒漠化監測的基本波段選擇集;初步了解和掌握了研究地區的地物光譜特性及變異規律,進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎;發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象,對于譜形相似而整體反射率的值相差較大的兩類地物,通過引入均值和方差圖像參與分類得到解決;研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段,這些波段與植被生物量和蓋度都有密切的關系,是開展精細植被分類研究和植被定量反演的重要基礎;像元的導數光譜分析可以消除土壤背景的影響,是進行植被生物量和蓋度定量反演的有力工具;建立了荒漠化監測主要評價因子的定量反演模型,並分析了模型的適用性。
  2. Defect criteria in useful screen area for cathode ray tubes

    陰極射線管有效屏面缺陷規范
  3. To research in the area of liquid helium cryopump used in nbi system is meaningful for obtaining better beam transportation efficiency. physical parameters and experience are obtained that are very useful in developing cryopumps

    開展中性束注入系統液氦低溫冷凝泵的研究,對獲得優良的束傳輸效率,具有非常重大的意義;並為以後相關應用領域中低溫冷凝泵的設計提供了性能參數和工程經驗。
  4. To research in the area of liquid helium cryopump used in nbi system is meaningful for obtaining better beam transportation efficiency. physical parameters and experience were obtained which is very useful in developing even larger cryopump

    開展中性束注入系統液氦低溫冷凝泵的相關研究,對獲得優良的束傳輸效率,具有積極的意義;並為以後開發更大抽速的低溫泵及相關應用積累了豐富的物理參數和經驗。
  5. In the spring and summer of 2001, both nanjing and guangzhou military area commands organized field exercises with joint landing operations as the backdrop, focusing on the coordination of joint and combined arms landing operation, and drew useful lessons on how to organize, support and manage joint training, ground force amphibious landing training, and training of rapid reserve mobilization

    2001年春夏季節,南京、廣州軍區部隊分別組織了以聯合登陸作戰為背景的實兵演習,演練了諸軍兵種聯合登陸作戰的協同方法,總結了聯合訓練、陸軍部隊兩棲訓練、國防后備力量快速動員訓練等方面的一整套訓練、保障和管理經驗。
  6. The research result shows that this physical model is useful to determine the locked area along plate boundary faults and further to make the long term and middle term earthquake prediction

    研究結果表明,運用該模型方法可利用大地測量數據確定沿板塊邊界斷層帶的相對閉鎖區,從而進行中長期地震預報。
  7. The efficiency and reliability of minerogenetic prediction can be improved by combining rs with gis. we processed rs images, extracted the geological information related to mineralizing, such as geology, structures, stratam, rocks, etc, synthetically analysed remote sensing, the geological data and geo - chemistry, under the guidance of the theory and mathematic model, set up gis mineralize model. on this condition, to develop this method and its theory, and to establish a system of perfect prediction, it is not only useful in studied degree area but also favorable for looking for new type and some form large - scale deposits in old studied area, and it has a great theoretical meaning

    遙感與gis相結合用於成礦預測中可大大提高預測工作的效率和可靠性。通過對研究區的遙感圖像處理和地質、構造、地層、巖石、礦化蝕變等有關信息的特徵提取、遙感、地質數據和物化探數據的綜合與復合分析,在一定成礦理論和數學模型指導下,建立gis綜合找礦模型。在此基礎上,發展這一方法及理論並建立完善的預測體系,不僅對研究程度較低的新區礦床預測有用,而且對研究程度較高的老區尋找新類型和點狀大型、超大型礦床都具有重要理論意義和實際意義。
  8. We can use the mm5 model in definite time, definite area weather forecasting. we conclude that : : the moving route of this necw in its developing progress was direct - south along latitude, the cold air is rough, and just this made the rough vertical velocity ; the necw southern moving and conflicting with the west pacification sub - tropical high makes rough jet steam. the plenty south - west warm and wet air made by the jet stream gave the rainstorm demanded vapor ;. the rough vertical velocity by jet stream is a main reason in this rainstorm ; the mm5 model uses four - direction analysis data as its input, this avoids some errors occurred in observe and transfer, thus made the result more useful

    綜合分析認為: ( 1 ) 、這次冷渦在其發生發展過程中,其移動路徑是沿經圈直線南壓,攜帶的冷空氣勢力較強,形成槽后較強的垂直運動; ( 2 ) 、西太平洋副熱帶高壓偏北位置與東北冷渦南壓形成的急流軸,把源源不斷的西南暖濕氣流輸送到遼西地區,也就是急流軸的左前方位置,為這次暴雨的產生提供了充足的水汽來源; ( 3 ) 、低空急流不但為暴雨輸送水汽,其造成的較強的垂直環流也是產生強降水的一個主要原因; ( 4 ) 、 mm5模式以四維同化資料作為初始場,最大限度地避免了觀測誤差可能造成的積分不穩定,提高了模擬結果的參考價值。
  9. The salt water system drawing for the kowloon south no. 2 pumping station and its reservoir andor the latest planning report would be useful to our understanding of the proposed salt water reticulation to the north of the development area via the pcwa. may we obtain a copy of them

    為了解經公眾貨物裝卸區連接發展區北面的擬議鹹水管道網,九龍南二號海水抽水站及其配水庫的鹹水系統繪圖及或最新規劃報告對我們甚為有用,可否給我們一份復本?
  10. Texture analysis is a main and useful area of study in pattern recognition

    紋理分析是模式識別中一個重要的分支。
  11. With the research development in antenna area, smart antenna, which could dynamically adjust antenna pattern in order to trace useful signals and suppress interference and noise, comes into researchers ’ sight

    隨著天線領域研究的進展,一種可以動態調整天線方向圖,有效跟蹤有用信號,抑制干擾和噪聲的天線系統? ?智能天線系統,進入了研究者的視野。
  12. Click and type is also useful for inserting other items, such as graphics and tables, in a blank area of a document

    「即點即輸」功能同樣適用於在文檔的空白區域插入圖形和表格等項目。
  13. What ’ s more, the concept of effective illumination area is pointed out and proved by using numerical method, some useful conclusions are drawn

    再次,提出了有效照射面積的概念,並加以數值證明,得出一些有用的結論。
  14. Based on the theory of demand levels proposed by a. maslow, the present thesis investigates and compares the main difference of utilities among armymen at different levels according to their income levels. moreover, it quantitatively analyzes the influence on the individual utility of armmen at different level caused by increase in satisfying every demand, to find out the basic information and the main problems on the armymen ' s salary, welfare, spiritual encouragement and so on, systematically summarizing and analyzing the actual problems existing in the charge collocation of military personnel in our country. based upon the new research view, the present author reviews and benefits from the useful practice and experience of the charge collocation of military personnel abroad, constructs the economic model to analyze the quantitative relationship between the individual utility of armymen and the encouraged effect of military personnel, as well as between the input of military - personnel charge and its output of the encouraged effect, and put forward the proposal for maximizing the encouraged effect caused by the charge of military personnel of our country, trying to enter a new research area for human resource economy of military personnel and national defense investment economy in our country

    本文借鑒馬斯洛需求層次理論,把軍事人員按收入級別劃分為不同層次,調查分析比較了不同層次軍人的效用觀主要區別,並把每一需求滿足的增加對不同層次軍事人員個人效用的影響加以量化分析,從而找出了我國軍人工資、福利、精神獎勵等的基本情況和存在的主要問題,系統總結和分析了我軍軍事人員費配置中存在的實際問題;並進而立足這一新的研究角度,考察和借鑒了國外軍事人員費配置的有益做法和經驗,建構和分析了軍人個人效用與其對軍事人員的激勵效應之間以及軍事人員費的投入與軍事人員費所產生的激勵效應之間數量關系的經濟模型,提出了我軍軍事人員費實現激勵效應最大化途徑的建議,嘗試著進入我國軍事人力資源經濟學和國防投資經濟學的新的研究領域。
  15. By reason of enlarging useful chamber area, lightweight and according with the direction of wall material reformation, the frame structures with special - shaped r. c. columns are applied more and more widely in recent years

    鋼筋混凝土異形柱框輕結構體系因為增加了有效使用面積,做到了輕型節能適應功能變化需求,符合墻體改革方向,近年來在工程實踐中得到了越來越廣泛的應用。
  16. Abstract : yanchang series is a typical low permeability reservoir, and its favourable sandstone reservoir is delta facies. heavy compaction, cementation and heterogeneity exist in it. according to the analysis of the main control factors of forming the secondary pore, it is held that the secondary pore in longdong area is controlled by both favorable facies belt and abnormal formation pressure. it is also held that the formation of the abnormal formation pressure is due to the dewatering of the clay mineral during diagenesis because the dewatering time is identical with the decarboxylation time of organism. organic acid and co2 are driven to adjacent favorable reservoirs under the abnormal formation pressure, and a lot of secondary pore is produced in the runners. from the present exploration result, it is useful to predicting the development of secondary pore to study the distribution of abnormal formation pressure

    文摘:陜甘寧盆地三疊系延長統是國內外典型的低滲特低滲油田,儲集層主要為三角洲砂體,壓實作用和膠結作用強烈,儲層非均質性非常嚴重,因此預測次生孔隙發育帶是尋找油氣聚集帶的關鍵.通過對陜甘寧盆地隴東地區延長統次生孔隙形成的主控因素分析,認為陜甘寧盆地延長統次生孔隙的形成除了受沉積有利相帶控制外,還與地層異常壓力的作用密切相關.研究認為隴東地區異常壓力的形成機理主要由於成巖過程中粘土礦物脫水作用.粘土礦物大量脫水時間正好與有機質脫羧期相一致,從而在異常壓力作用下將生油巖中的大量有機酸及co2帶到與之相鄰的儲集層中,並沿著有利儲集相帶運移,在酸性水經過的地方形成大量的次生孔隙,為後期油氣運聚提供有利通道及宿住空間,從現今的勘探結果來看,通過研究地層異常壓力縱橫向分佈特徵,並結合有利相帶研究預測次生孔隙育良帶是行之有效的方法
  17. Yanchang series is a typical low permeability reservoir, and its favourable sandstone reservoir is delta facies. heavy compaction, cementation and heterogeneity exist in it. according to the analysis of the main control factors of forming the secondary pore, it is held that the secondary pore in longdong area is controlled by both favorable facies belt and abnormal formation pressure. it is also held that the formation of the abnormal formation pressure is due to the dewatering of the clay mineral during diagenesis because the dewatering time is identical with the decarboxylation time of organism. organic acid and co2 are driven to adjacent favorable reservoirs under the abnormal formation pressure, and a lot of secondary pore is produced in the runners. from the present exploration result, it is useful to predicting the development of secondary pore to study the distribution of abnormal formation pressure

    陜甘寧盆地三疊系延長統是國內外典型的低滲特低滲油田,儲集層主要為三角洲砂體,壓實作用和膠結作用強烈,儲層非均質性非常嚴重,因此預測次生孔隙發育帶是尋找油氣聚集帶的關鍵.通過對陜甘寧盆地隴東地區延長統次生孔隙形成的主控因素分析,認為陜甘寧盆地延長統次生孔隙的形成除了受沉積有利相帶控制外,還與地層異常壓力的作用密切相關.研究認為隴東地區異常壓力的形成機理主要由於成巖過程中粘土礦物脫水作用.粘土礦物大量脫水時間正好與有機質脫羧期相一致,從而在異常壓力作用下將生油巖中的大量有機酸及co2帶到與之相鄰的儲集層中,並沿著有利儲集相帶運移,在酸性水經過的地方形成大量的次生孔隙,為後期油氣運聚提供有利通道及宿住空間,從現今的勘探結果來看,通過研究地層異常壓力縱橫向分佈特徵,並結合有利相帶研究預測次生孔隙育良帶是行之有效的方法
  18. The most useful thoughts deserved refered is that : the modern publishing should go out of the wrong area of noble and the isolation of market, use the books suiting both refined and popular tastes

    馮夢龍編輯思想中最值得借鑒的是,當代出版走出貴族化和脫離市場的誤區,走大眾出版的道路,用雅俗共賞的圖書來滿足大眾的需求。
  19. Secondly, based on the improved algorithmic of computing the multi - fractals spectrum of seismic records, aiming at the given seismic data, we extract some character parameters of multi - fractals. following that, we select the useful parameters. finally, we fulfill the successful forecast of single geodesic and the whole area of upside layer of aotaoxi in some oil field based on oil attributes of the wells we have known, using the method of grey pattern identification, and get good comments from some experts of the same vocation

    論文首先介紹了一般分形和多重分形的基本理論和演算法:其次,用作者提出的一種求地震記錄多重分形譜的改進演算法,對給定的地震道數據進行多重分形特徵參數的提取;接著優選出油氣識別用的多重分形特徵參數;最後,根據已知井位的油氣屬性,用灰色模式識別方法實現了某油fr奧陶繫上部儲層單測線及區域油氣產出前景的成功預測,得到了同行專家的好評。
  20. Reinforced concrete structure under the condition of the abnormal heat ( over 200 ), its strength will become lower ; concrete surface will fall off ; useful - area decreases and the component will be deformed in different level

    摘要鋼筋混凝土框架結構受非正常高溫后(超過200 ) ,混凝土將出現強度降低,混凝土表面脫落,有效斷面減小,構件會出現不同程度變形。
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