back measurement 中文意思是什麼

back measurement 解釋
后測
  • 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...
  • measurement : n. 1. 測量，計量，量度。2. 份量，尺寸，大小，寬度，厚度，深度（等）。3. 測量法。 measurement goods （按體積、容積計算的）體積貨物。
  1. This paper deriving the theory work inflection point in the static stage characteristics curve of small measurement range linear dimension measurement. by the way of high pressure and back pressure pneumatic measure and designed the parameter of the mainly and measure spray head, which are the key component in the spray head - baffle pneumatic sensor. the different groups for the main - spray head and the measure spray head, will effect the dynamic and static stage characteristic parameter. the author have done contrast experiment and optimization design to test and verify the theory derivation whereby made the rang of show valve of pneumatic measure system measure range up to 40 u m, the sensitivity up to 100mv / u m, resolution up to 0. 05 p m, the uncertainly of measure is less than 0. o2 u m, satisfaction of requirement of groups the carboy hatch thickness size precise measure of soft shims

    對高壓背壓式氣動測量用於小量程線性尺寸測量的靜態特性曲線的理論工作拐點進行了推導，對氣動測量系統中的噴嘴-擋板型氣動傳感器中的關鍵部件? ?主噴嘴和測量噴嘴的參數進行了理論設計，對主噴嘴和測量噴嘴的不同組合，將影響測量系統靜、動態特性指標的噴嘴參數進行了對比實驗和優化設計，並通過實驗驗證了理論推導，從而使氣動測量系統量程的示值范圍達到40 m ，靈敏度達到100mv m ，解析度達到0 . 05 m ，測量不確定度小於0 . 2 m ，滿足了壓縮機缸蓋軟體墊片厚度尺寸精密測量分組的要求。
  2. Based on the back - analysis data of some excavation stage, through the non - linear finite element program nef, we can predict the tendency of next excavation stage. the relative error between calculation and measurement is controlled in 25 %, demonstrate the estimate prediction is successful

    根據反演的某一階段的土體參數值，通過非線性有限元程序nfp ，預測后一階段的邊坡變形情況，實例中理論計算值與實測值的相對誤差控制在25 %以內，說明預測是成功的。
  3. In recent years, with further development of security market and establishment of modern enterprise system in china, the theory and practice of enterprise operation performance measurement have been developed greatly in china, and then more and more scholars have engaged in the research of this area, especially non - financial performance measurement and strategic performance measurement attract more people ' s attention today and so have become heated issues in theory. however, this trend cannot weaken the financial performance measurement ' s importance in an enterprise ' s inner management system. whether a shareholder or a leader of a company will not invest their capital in an enterprise which cannot bring back satisfactory financial result, noneffective financial performance measurement will surely destroy value of your firm

    近年來，隨著我國證券市場的深入發展和現代企業制度的建立，企業經營業績評價理論和實務在我國得到了很大的發展，已有越來越多的學者從事于業績評價相關問題的研究，特別是非財務業績評價和戰略業績評價越來越多地得到了人們的重視，現今已成為了理論界的熱門話題，但是，這並不能掩蓋財務性的業績評價在企業管理中的重要作用，無論是股東還是公司的領導者都不會對一個不能帶來滿意財務結果的事業投入資本，不科學的財務業績評價方式肯定會損害企業的價值，而作為指導整個企業經營的總目標和衡量企業綜合經營成果的核心財務指標的選取是否科學直接影響著整個業績評價體系的有效性。
  4. Promote the students phys ical marks effectively. in the period of experiment to research the students learning physics self - efficacy measure problems. has a contrast with the students learning the physics aim and its study results and make the following conclude by the analysis and comparative of the front and back measurement. the students " self - efficacy has a close coordination wi

    在實驗過程中，研究了學生學習物理自我效能感的測量問題，並與學生的學習物理動機、物理學習成績進行了對比，通過前測與后測的分析和比較驗證了以下結論：學生的自我效能感與物理成績有密切相關，學生的學習動機與自我效能感成正相關，男女生學習物理的自我效能感存在差異，學生的自我效能感水平與考試情緒有關系。
  5. Contact lenses - determination of back vertex power - measurement of contact lenses immersed in saline

    接觸鏡片.后頂點屈光度的測定.鹽水中浸泡的接觸鏡片的測量
  6. Contact lenses - determination of back vertex power - part 2 : measurement of contact lenses immersed in saline

    接觸鏡.后銀頂屈光度的測定.第2部分:浸漬在鹽水中的接觸鏡的測量
  7. Contact lenses - determination of back vertex power - part 2 : measurement of contact lenses immersed in saline iso 9337 - 2 : 2004 ; german version en iso 9337 - 2 : 2004

    接觸鏡片.后屈光度的測定.第2部分:在鹽中浸漬的接觸
  8. The subject inducts digital time division technology ( pwm ), which is more advantageous at the accuracy and the predigest of hardware than simulant multiplication. what they call measuring power energy reasonably is that measuting except harmonics power energy fed back power. yet it realizes reasonable measurement of power energy which measures by base wave ac parameters method base on digital time division

    本課題引入了數字時分割（ pwm ）脈寬調制技術，在測量的準確性、硬體電路的簡化等方面都比模擬乘法器具有較高的優越性。所謂合理的計量電能，就是不計非線性負載回饋給電網的負的諧波電能，而採用基於數字時分割的基波交流參數測量的方法，真正實現了電能的合理計量。
  9. _ _ _ _ uncertain factors of macroscale inversion analysis of displacements are summed up. associated inversion model containing non - deterministic factors is proposed, i. e. " deterministic inversion of differential equation + systematic optimization technique = non - deterministic inversion ". the systematic optimization technique includes direct operator optimization, direct numerical analysis optimization, measurement design optimization, measured data processing, in - ersion algorithm optimization, and inverse operator regularization, etc. when this associated inversion technique is used in displacements back analysis, uncertain factors can be processed quantitatively

    歸納了宏觀尺度位移反演分析的不確定性因素，提出了容納不確定性因素的位移反演分析的聯合反演模式，即「微分方程確定性反演+系統性優化技術=非確定性反演」的模式，並具體論述了聯合反演模式的系統性優化技術，包括正演運算元的優化、正演數值分析的優化、測量設計優化、觀測數據處理、反演演算法優化、反演運算元處理等六個優化方法。
  10. In the paper, the transition of ka band rectangular waveguide to micro strip probe and the back - to - back structure are designed. the measurement results indicated the low insert loss and low return loss from 35 ghz to 40 ghz

    本文設計了ka波段矩形波導到微帶探針過渡結構以及背對背結構，測試結果表明，在35 40ghz頻率范圍內，其插入損耗和回波損耗都比較小。
  11. Effect of atmospheric back - scattering ratio on measurement of wind velocity

    大氣後向散射比對風速測量的影響
  12. It can be used in any complex environment, can locate all paths from transmitter to receiver which avoid redundant calculation, and it is a standard 3 - d forecast model ; in addition, it is a point to point ray tracing method based on specular theory which do n ' t carry out the receive test ; furthermore the model adopt the reverse arithmetic which exert the tree concept in data frame and establish a virtual fountain tree permanently, the proagmme can back - search the virtual fountain tree when it is running. these operation increase the calculate speed and it result in the higher receive efficiency and precision. the thesis design a programme to compare the prediction results based on ray tracing method of virtual fountain tree between the measurement results and prediction results based on the other transmittion models. the comparsion result indicate the new model is a better model

    它可應用於任何復雜的傳播環境中，能找到發射機到接收機之間的所有電波傳播路徑而無須冗餘的計算，是一種準三維的預測模型；另外，從本質上講，它仍然是一種基於鏡像理論的點對點的射線跟蹤法，所以它無須進行接收測試；而且由於採用了反向演算法，運用數據結構中多叉樹的概念，先確定需要計算的場點位置，找出所有能從源點到達場點的射線，並且可一次性建立一個虛擬源樹，以後每次的計算只要通過對該樹進行後序遍歷即可，大大提高了運算速度，因而有較高的接收效率與精度。本文對該模型進行了相應的模擬，並將其預測結果與實測結果以及基於cost231經驗性模型和基於強力射線跟蹤確定性模型的預測結果進行了比較，結果表明了該模型的優越性。
  13. This software can be used to construct automatically 16 electrodes and 32 electrical electrodes finite element method ( fem ) division model. the equi - potential lines in any drive pattern can be plotted and the boundary potential changes in its forward problem can be obtained. using back projection method, the impedance imaging in simulation and real measurement can be reconstructed

    該軟體對任意形狀、結構的場域可實現自動剖分，可建立16電極、 32電極求解模型；正問題部分可給出各種激勵情況下的等位線分佈和邊界電位變化情況；逆問題部分用反投影法實現了圖像重構，並成功應用於所研製的測試系統。
  14. Firstly, for normal high building, second - class measurement could meet the needs of sinking survey ; secondly, the location of survey should be based on the design drawing and choosing the first structure layer as a survey period ; thirdly, the arrangement of the results of sinking survey should be regular and accurate by a certain person, and if there is problem present, it should be solved or done away with in time ; finally, the results of building sinking survey should be fed back in time to survey, design and construction units as reference for the next project

    首先對一般的高層建築物來說，只需二等水準測量即可滿足沉降觀測的要求；其次，對于沉降觀測點及觀測的周期，通常要按照設計圖紙的要求布設觀測點，觀測的周期一般以一個結構層為一個觀測周期；第三，對沉降觀測結果的整理，要定期定人及時準確，發現問題要及時解決處理；最後，建築物沉降觀測的結果要及時反饋給勘察、設計和施工單位，為下一步的勘察、設計和施工提供可靠的參考依據。
  15. Aiming at the change of the traditional sediment measurement method, a new equipment, called infrared back - scattering sediment instrument, is introduced, it can measure the real - time sediment content continuously

    為改進環形水槽的傳統測沙技術，自主研發完全開放式的實時在線測沙儀器，力求在水槽中實驗水樣的自然流態下實時測量垂線懸浮泥沙含量。
  16. Feature extraction through 2 - order polynomial fit of the descending part of the response curve made possible a timesaving measurement process. the performances of two pattern recognition algorithms, namely principal component analysis ( pca ) and linear discriminant analysis ( lda ) in practical problems were discussed. artificial neural network ( ann ) was utilized with back - propagation algorithm ( bpa ), and the combination of pca / lda with ann improved the identification performance of the system

    基於對模式識別系統的深入研究，提出了從響應階段數據提取特徵的方法，節省了測試所需時間；比較了主成分分析法（ principalcomponentanalysis ， pca ）與線性判別式法（ lineardiscriminantanalysis ， lda ）兩種模式識別方法在實際應用中的不同結果，分析了原因；設計了採用誤差反傳演算法back - propagationalgorithm ， bpa ）的前向人工神經網路（ artificialneuralnetwork ， ann ） ，並指出其應用中存在的問題，提出了改進建議；利用pca lda與ann相結合的方法改善了系統的識別性能。
  17. The natural law school claims that the foundation of law depends upon morality and that law must have its trace back to moral value, and therefore, the standard of measurement and judgment of law is natural law rule

    自然法學主張法律以道德為合理性基礎和依據，法律必須有其道德價值追求，衡量和評價法律的準標是自然法則。
  18. Trail : technically speaking, trail is a horizontal measurement from an imaginary point where a line through your bike ' s steering head meets the ground and then back to the front tire ' s contact patch

    回彈阻尼：當經過障礙后你的懸掛已經壓縮時，回彈阻尼決定了懸掛延展的速度，並且確保輪胎與地面持續接觸。
  19. Chapter 3 introduces the basic models and algorithms of prevail used risk measurement method - value at risk ( var ). also back - tests of the models are checked and comparisons between them are investigated. then chapter 3 provides evidences from china ' s stock market that estimating functions model and garch - m model are fitted and verified respectively

    第三章詳細地介紹當今已有的各種var估計模型的方法、發展動態以及back - test檢驗，並比較了其優缺點，同時指出其各自的適用范圍，重點應用估計函數模型和garch - m模型對我國股票收益率數據進行實證分析和模型檢驗。
  20. 2 back rise measurement out of tolerance 1 / 4 ” to 3 / 4 ”, should be corrected in bulk production

    後浪尺寸比容忍度1 / 4 」到3 / 4 」 ，應該在大貨生產中該正。
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