normal dimension 中文意思是什麼

normal dimension 解釋
標準尺寸
  • normal : adj 1 正常的,平常的,普通的;平均的。2 正規的,標準的,額定的,規定的。3 智力正常的,精神健全的...
  • dimension : n 1 尺寸。2 【數學】次元,度(數),維(數)。3 【物理學】因次,量網。4 〈pl 〉容積;面積;大小,...
  1. The papers whose research object is the 7 - floor frame - structure with isolator - seismic layer, in which the isolator - seismic layer adopt some standard interlayer rubber isolator. by establish a 3 - dimension finite - element modal and use the a nalysis soft - ansys, we can make dynamic analysis on the structure. by analyses we can get some response characteristics of the structure sparked by the normal and rarely earthquake of 8 - degree fortify intensity, by the double - horizons seismic and by the vertical seismic

    本論文設計了一7層的具有隔震層的框架結構並以此為研究對象,其中隔震層採用標準件的夾層橡膠隔震墊,通過建立三維有限元分析模型,運用大型有限元分析軟體? ansys對結構進行動力響應彈塑性時程分析,得出了結構在8度設防烈度下的常遇水平地震和罕遇水平地震激勵下的響應特性、在雙向水平地震波激勵下結構的響應特性和在豎向地震波激勵下結構的響應特性。
  2. It has found that section dimension deviations yield with normal distribution ; axis line deviations yield with lognormal distribution

    通過調查分析認為;混凝土截面尺寸偏差服從正態分佈,軸線位移偏差服從對數正態分佈。
  3. In this paper, the major subject investigated is the ducted fan vertical take - off and landing ( vtol ) uav. compared with normal fixed - wing uav, it has so many strong points such as be convenient to take - off and land, good adaptability and long hover time. we analyze and summary information of foreign uavs, then calculate the figure dimension of our uav, and draw the uav structure configuration and the outside view drawing of three dimensional structure

    本課題的研究對象是涵道風扇式垂直起落無人機,與一般的固定翼無人機相比,它有著起落方便、適應性強、可以在空中長時間盤旋等優點,本文通過對相關飛行器資料的分析總結,給出了無人機的大體結構尺寸,並畫出了無人機的結構布局圖和三維結構外觀圖。
  4. The simulation results are compared to the normal dipole antenna in order to observe the influence of fractal and investigate the effect of antenna miniaturization. the relationship between miniaturization and fractal dimension is researched. the koch and 3 / 2curve fractal unit are applied to yagi - uda antenna, the performance like impedance characteristic and radiation pattern is simulated by cst microwave studio ?

    對其阻抗特性及輻射方向圖進行了模擬計算,並分別與未應用分形的普通半波振子天線相比較,觀察分形對天線性能的影響,以檢驗分形天線小型化的效果,研究了尺寸縮減性與其分形結構的分形維數之間的關系。
  5. Compare to the normal rectangular waveguide, ridge waveguide has the character of broader bandwidth, smaller dimension, lower equivalent characteristic impedance, etc. because of these merits, it is used more and more widely, such as broadband ridge waveguide filter, broadband direct coupler, diplexer, frequency converter, phase shifter, ridge waveguide slot antenna array, and so on

    與普通矩形波導相比,脊波導具有工作頻帶寬、尺寸小、等效特性阻抗低等特點。由於脊波導本身的特點,使其得到了越來越多的應用,例如寬帶脊波導濾波器、寬帶定向耦合器、雙工器、變頻器、移相器、脊波導縫隙天線陣等等。
  6. Finally, in the third section, by constructing some functional which similar to the conservation law of evolution equation and the technical estimates, we prove that in the inviscid limit the solution of generalized derivative ginzburg - landau equation ( ggl equation ) converges to the solution of derivative nonlinear schrodinger equation correspondently in one - dimension ; the existence of global smooth solution for a class of generalized derivative ginzburg - landau equation are proved in two - dimension, in some special case, we prove that the solution of ggl equation converges to the weak solution of derivative nonlinear schrodinger equation ; in general case, by using some integral identities of solution for generalized ginzburg - landau equations with inhomogeneous boundary condition and the estimates for the l ~ ( 2 ) norm on boundary of normal derivative and h ~ ( 1 ) ' norm of solution, we prove the existence of global weak solution of the inhomogeneous boundary value problem for generalized ginzburg - landau equations

    第三部分:在一維情形,我們考慮了一類帶導數項的ginzburg ? landau方程,通過構造一些類似於發展方程守恆律的泛函及巧妙的積分估計,證明了當粘性系數趨于零時, ginzburg ? landau方程的解逼近相應的帶導數項的schr ( ? ) dinger方程的解,並給出了最優收斂速度估計;在二維情形,我們證明了一類帶導數項的廣義ginzburg ? landau方程整體光滑解的存在性,以及在某種特殊情形下, gl方程的解趨近於相應的帶導數項的schr ( ? ) dinger方程的弱解;在一般情形下,我們討論了一類ginzburg ? landau方程的非齊次邊值問題,通過幾個積分恆等式,同時估計解的h ~ 1模及法向導數在邊界上的模,證明了整體弱解的存在性。
  7. We have made three - dimension electric conduct grid by hand and we have successfully used it as anode grid in lead - acid battery. this kind of three - dimension electric conduct grid can improve the utilization of pam by 7 - 9 % in different discharge current density and can reduce the plate electrochemical impedance to one tenth of the normal plate. also this kind of grid can improve the marginal reaction current density in a certain degree

    我們通過手工製作了三維導電體板柵,並成功的應用於電池的正極作為正極的板柵,這種三維導電體板柵能夠在各種不同的放電電流密度下提高正極活性物質利用率7 9 ,能夠使電池正極板的電化學阻抗降低到普通板柵的1 10左右,使正極板的極哈爾濱j _程大學碩十學位論文限反應電流密度略有所提高,但是這種板柵的耐腐蝕性能很不理想,使得所製作電池的壽命很短。
  8. During this paper, definition of the measure enter - cover - probability is given, andthree - dimension detection space are transformed to level detection circles on differentheights. aiming at the most normal situation of symmetric line, cross - to line and cross - awayline taken by the carrier, probablely - enter - cover - target - distribution are analysed in relativemovement method on the premise that targets fly perpendicular to the flying direction of thecarrier. mont - cario method is used to simulate uniformly - distributed - targets situation and getthe measure, and results are used to analyse the influence of line - landscape - orientation - ratio, line - portrait - ratio, and speed - ratio on the measure. for further research, influences of height and blind space are also discussed on base ofradar level detection range, and situations of non - uniformly - distributed targets are alsoresearched

    為了分析主動探測空間動態性能,本文首先提出以「目標進入雷達覆蓋區概率」 (簡稱為「覆蓋率」 )作為評價指標;然後將三維探測空間轉換為不同高度層對應的水平探測圓,針對載機採用雙平行航線、交叉相向航線和交叉同向航線的最一般情形,採用相對運動的方法,分析目標垂直入侵時可能進入雷達覆蓋區的目標分佈情況;再運用蒙特卡洛法進行模擬計算,分析並比較目標服從均勻分佈時航線橫比、航線縱比及速度比對性能的影響。
  9. 2. the dyslexics " visual - spatial skills were superior to the normal students no matter in two - dimension spatial ability and three - dimension spatial ability. between the two kinds of spatial ability, three - dimension spatial ability had positive correlation with general creativity

    閱讀障礙學生的空間思維能力,無論是二維還是三維空間能力,成績都優于正常學生,其中三維空間能力與創造力存在正相關,對創造力有一定的預測性。
  10. Based on 5 - axis nc linkage, aocmt can generate freedom - form surface in normal manner, and grinding accuracy is better than 8 m. 4. according to the error component of various wavelength, feeding step length, convergence ratio and anastomotic status, a new method which determines the dimension of the polishing tool is presented

    4 、提出了根據不同成分面形誤差的分佈特徵、進給步距、收斂比和吻合特性要求,確定研拋盤尺寸的新方法;對ccos加工中研拋模運動路徑的規劃進行了深入研究,並給出了相應的工藝流程和技術規范。
  11. First, from the viewpoint of dissemination, the thesis analysis the relationship among the study contents, teaching target and medium in classroom teaching, recognize the important position of medium choice in teaching. on the basis of the theory, " the three dimension model of the content of course - target - medium choice ", put forward by professors li kedong, xie youru in beijing normal university, the thesis tries to establish the three dimension theory model in high school chemistry teaching to adapt to the teaching practice

    首先從傳播學的角度,分析學習內容、教學目標、媒體在課堂教學中的關系,認識媒體的選擇在教學中的重要地位。在北京師范大學李克東、謝幼如教授等人提出的「教學內容-目標-媒體選擇三維模型理論」的基礎上,嘗試建立中學化學的三維理論模型,以適應化學學科的教學實際。
  12. Two primary mathematical tools used in this dissertation are principal component analysis ( pca ) and blind signal analysis ( bsa ), which are both data - driven methods. pca is not only used as feature extracting method ( where process variables are subjected to multivariate normal distribution ), but also as a tool for dimension reduction ; bsa is used to extract independent features or process blind source signals from process information in information theory sense, which is more effective than pca in describing the process

    主元分析方法不僅作為一種過程特徵的提取方法(在過程信息服從多元正態分佈的情況下) ,而且也作為一種過程數據降維的主要工具(在過程盲源信號提取的情況下) ;盲源信號分析是從信息論的角度,從過程信息中提取出盡可能獨立的過程特徵信號或過程原始信源信號,它具有比主元分析更好的刻畫過程運行特徵的性能。
  13. Based on the minimum potential energy principal, the influences of three loads, which are concentrated force, trapezoidal load and sinusoid load, over shear lag of cantilever single - box - single - cell box girder are deducted and discussed, and a conclusion is reached, which has some instructive significance for designer to determine the sectional dimension and reinforcing bars ; the bending normal stress changes greatly as considering the shear lag effect

    以最小勢能原理為基礎,推導並討論了3種形式的荷載:集中力、梯形荷載、正弦形荷載對懸臂單箱單室箱形梁剪力滯的影響,得出考慮剪力滯效應后彎曲法向應力有較大變化的結論,對設計人員確定截面尺寸、截面配筋具有一定的指導意義。
  14. The actors would be cruising along enjoying a somewhat normal life and then suddenly they entered “ a new dimension ” where everything was confusing and intimidating

    故事的主人公開始過著平常人的生活,然後,突然進入了一個迷茫和恐怖的世界。
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