精密方法 的英文怎麼說

中文拼音 [jīngmìfāngfǎ]
精密方法 英文
exact method
  • 精 : Ⅰ形容詞1 （經過提煉或挑選的） refined; picked; choice 2 （完美;最好） perfect; excellent 3 （細）...
  • 密 : Ⅰ名詞1 （秘密） secret 2 [紡織] （密度） density 3 （姓氏） a surname Ⅱ形容詞1 （距離近; 空隙小）...
  • 方 : Ⅰ名詞1 （方形; 方體） square 2 [數學] （乘方） involution; power 3 （方向） direction 4 （方面） ...
  • 法 : Ⅰ名詞1 （由國家制定或認可的行為規則的總稱） law 2 （方法; 方式） way; method; mode; means 3 （標...
  • 精密 : precise; precision; accurate
  • 方法 : method; means; way; technique; process; procedure; plan; device; recipe; fashion; tool; maneuver
  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. To sum up, tested and validated by data sets of shenzhou iv unmanned spacecraft and precise orbit ephemeris, the algorithms presented in the thesis can improve orbit accuracy and reduce random noise considerablely. derived conclusions have important value for reference, and lay the firm technological foundation for future applications

    總之，經過神舟四號飛船實測數據計算和精密星歷檢驗，表明本文提出的各種定軌方法可以較好的提高定軌精度，減少隨機噪聲，所得出的結論對于實際應用具有重要的參考價值，並為將來的應用奠定了堅實的技術基礎。
  3. But the precise structure of these fibres or fibrils has remained a mystery for more than 40 years, so hindering any progress towards the development of potential therapies

    但是這些纖維或者「原纖維」的精密結構保持它的神秘達40年之久，妨礙了可能的治療方法研究的進展。
  4. This thesis described fuel management system theory and system reliability design to set forth system fuel management general design thought. many technical details are discussed in the thesis such as : fuel quantity measurement, fuel mass character calculation, fuel density measurement, the accuracy of fuel quantity measurement, the optimum location of fuel gauge probes in the fuel tank. the author brings forward a new method which is based on the software of catia to calculate fuel mass character

    本文對燃油管理系統的工作原理和可靠性設計等問題進行研究，以明晰燃油管理系統的總體設計思路；並對數字式燃油量測量、燃油質量特性計算、燃油密度測量、提高燃油量測量精度的措施、油箱油量傳感器安裝位置優化等具體技術展開研究；提出了一種基於catia軟體的燃油質量特性計算方法；論文最後探討了燃油管理系統的未來發展方向。
  5. In addition, in the previous design, the leak of fuel is serious during the valve ' s operation, which is impermissible for the credibility of sealing. in the newly design, by using ansys, the reason that causes the leak has been analyzed in detail. it is found out where the key part is and some suggestions are put forward to improve the structure of the valve

    其次，由於在前期設計中，電磁閥在工作過程中泄漏較嚴重，在優化研究中，採用有限元分析的方法對電磁閥研配部件間的泄漏情況進行了研究，對機加工精度、研配長度對密封可靠性的影響進行了分析，找出了泄漏最嚴重的部位，並提出了改進措施。
  6. Lubricity machining means of large area on precision cavity mold

    精密型腔類模具的大面積鏡面加工方法
  7. This thesis also introduces some kinds of the jointing of cable and membrane strucfores. an open - air palestra has been designed in this thesis. the force density method has been used to analyze the shape, and the nonlinear finite method has been used to analysis the loads

    最後，本文還採用文中推導的離散方法，通過力密度法對某風雨操場進行形態分析，並通過將找形結果用非線性有限元法在無荷載狀態下計算結構的應力，結果表明本文推導的方法找形精度是足夠高的。
  8. Usage : clean the face, then open the paster, and stick it onto the face, and keep contact tightly after 20 minutes, disclose the paster, massage the remainder of the extract to be absorbed completely

    使用方法：清潔臉部后，打開貼膜，貼在臉上，讓貼膜與皮膚緊密接觸， 20分鍾后，將貼膜揭起，不須將殘留精華液洗去或拭去，直接按摩至完全吸收。
  9. In chapter five, the research work focus on color gamut transform correction in panel display. a method of color gamut transform correction which introduces the concept of virtual gamut space is presented to solve the problem of luminance and chromic disuniformity which arises from the differentia of chromic and drive characteristics of each module or pix on the same display panel. and the high quality of image displayed on the panel is ensured

    提出了克服同一種平板顯示屏由於各個顯示模塊（顯示象素）的色度空間特性和中國科學院長春光學精密機械與物理研究所博十學位論文基十擬合逼近理論的平板圖像顯示技術研究基色驅動顯示特性的差異而造成的平板顯示屏色度和亮度分佈不均的有效方法，解決了平板顯示屏的全屏幕亮度、色度一致化的問題，保證了高質量視頻圖像的顯示。
  10. Additional sophistication in method of calculation is unnecessary.

    沒有必要進一步採取更精密的計算方法。
  11. Standard test method for linear measurement using precision steel rule

    用精密鋼尺進行線性測量的標準試驗方法
  12. Its aim is to train students to grasp activities of knowledge, which can become active experiences of obtaining scientific knowledge, practical training course of scientific methods and skills, and while students being promoted in perceiving, make them learn how to share and cooperate with others

    旨在使學生掌握科學知識的活動，成為獲得科學過程的積極體驗、科學方法與技能的實踐訓練過程。在促進學生認知發展的同時，學會與人分享及密切合作、培養正確的科學態度和科學精神。
  13. In this paper, high - order accurate weighted essentially non - oscillatory ( weno ) schemes are investigated and their applications in hyperbolic conservation laws are discussed. based on this, a new weno difference scheme which based on dispersion - relation - preserving relation is developed, and representative test cases with this scheme for computational aeroacoustics ( caa ) problems has been implemented and compared in order to test capability of wave capturing ; in addition, weno schemes generally do not converge at high order in the presence of contact discontinuity of euler equations, so a conservative front tracking technique coupling weno schemes and level set method to simulate the translating density profile is presented here, and numerical simulation with this technique for representative test case has been implemented and results show the desired accuracy

    本文研究了高階精度加權基本無振蕩（ weno ）格式及其在雙曲守恆律方程中的應用，在此基礎上作了兩個方面的工作：一是針對高頻聲波問題構造出一種基於保色散關系（ drp ）的weno有限差分格式，並對計算氣動聲學（ caa ）問題的代表性算例進行了大量數值實驗，比較了該格式捕捉波數的能力；另外，針對高階weno格式在處理euler方程的接觸間斷時精度有所降低的問題，研究了利用界面追蹤技術levelset方法和高階激波捕捉weno格式相結合的一種守恆追蹤方法，並且給出有代表性的密度滑移面問題的算例，得到一致高階精度的數值模擬結果。
  14. Secondly, in phase unwrapping to overcome the spread of wrong point, changing the patch of unwrapping phase is done to improve the correctness of it. then, the relation between the unwrapping phase and the height of reconstructed object is discussed detailedly. the data processing, algorithm analysis and reconstructing object are done for the collecting fringe image which are all based on matlab language, in all these achievements, the improvement and innovation aspect are following : a ) in order to stabilize the interference fringe, a new equivalent shifting object method is presented by using fringe stabilizing device to stabilize the interference fringe though moving object and ccd camera which fixed on a precise moving platform together, the experimental result shows the fringe drift is less than a / 20 in five minutes, and the equivalent phase shifting precision is x / 100

    論文在全面闡述了光學三維輪廓位相測量術的發展、應用現狀、研究熱點及未來發展趨勢的基礎上，簡要介紹了傅立葉變換和相移位相輪廓測量術的基本原理，對兩種測量方法存在的問題及誤差進行詳細分析和比較；針對位相解包裹錯誤點的傳播問題，作者通過改變解包裹路徑來提高位相解包裹的正確性；分析討論從解包裹位相（ x ， y ）到再現物體的高度h （ x ， y ）物理量之間的關系，研究相應的演算法，利用matlab平臺，對實際採集的條紋圖像進行處理和輪廓重構，其中改進及創新工作主要表現在以下兩個方面： （ a ）針對干涉型結構光場干涉條紋出現的漂移抖動對相移的影響，提出了一種用條紋穩定器穩定干涉條紋，用精密移動平臺使物體和ccd攝像頭同步移動實現等效相移的方法，建立了相應的測量系統，系統的條紋穩定可以達到。
  15. The method of the model retrieval breaks down the traditional population density statistics method according to the administrative area boundary and changes to evenly distributed and same size grid units to compute the population density. it enriches the methods to obtain the population density indexes and increases the accurate degree and application fields of the indexes. so, it will benefit to the decision process of the population and economic policy, benefit to the sustainable development of regions

    這種模型反演的方法，突破了傳統的按行政區界線統計人口密度的方法，改為按照均勻分佈、規則大小的格點單元來計算人口密度，豐富了獲取人口密度指標的方法，提高了人口密度指標的精確程度和應用范圍，將有利於人口、經濟政策的決策過程，有利於區域可持續發展。
  16. When establishing the method, according to stipulations under each type, precisely weigh ( measure ) appropriate amount of impurity reference and component reference under test to formulate solutions testing impurity calibration factor, blend samples and record chromatograph chart, calculate calibration factor of impurity according to above mentioned method ( 1 )

    在建立方法時，按各品種項下的規定，精密稱（量）取雜質對照品和待測成分對照品各適量，配製測定雜質校正因子的溶液，迸樣，記錄色譜圖，按上述（ 1 ）法計算雜質的校正因子。
  17. Calibration graph obtained by the modified procedure for ddmbac showed good linearity and its correlation coefficient was above 0. 999. the coefficients of variation and average recovery of added ddmbac were up to the mustard. the linear concentration ranges for batch determination of ddmbac were 0. 06 ~ 3. 33mg / l

    利用改進后的方法對ddmbac的測定建立了質量控制體系，其標準曲線的相關系數大於0 . 999 ，線性良好，精密度和準確度均符合檢測要求，線性范圍為0 . 06 ~ 3 . 33mg / l 。
  18. Aimed at the shortcomings of connecting traverse accuracy calculation formula in using, this paper, using adjustment of condition equations method, gives out a group of strict formula, which can be applied to arbitrarily shape connecting traverse error calculation

    摘要針對現有附合導線精度計算式在使用上的不足，運用條件平差方法，推導出適合任意形狀附合導線誤差計算的嚴密公式。
  19. Precision method for pressure calibration of one - inch standard condenser microphones by the reciprocity technique

    採用互易技術對1英寸標準電容傳聲器進行壓力校準的精密方法
  20. In order to improve the accuracy and efficiency of numerical prediction, a semi - adaptive and layer - patch refinement method based on the idea of adaptive mesh refinement ( amr ) is proposed and applied to the numerical simulation of wind flow around buildings based on the pressure correction iterative algorithm

    為提高數值模擬解的精度，將適應性網格局部加密（ amr ）的思想應用到採用壓力校正迭代演算法的建築風場模擬中，並提出了一種半自適應的層塊網格加密方法。
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