inverse proportion 中文意思是什麼

inverse proportion 解釋
【數學】反比例。

  • inverse : adj 相反的；逆的；翻轉的，倒轉的。 an inverse network 倒置（電）網路。 inverse time 逆時，反時。 ...
  • proportion : n. 1. 比，比率；【數學】比例。2. 相稱，平衡，調和，配合。3. 份；部分。4. 〈pl. 〉 大小，面積，容積。vt. 1. 使相稱，使均衡。2. 攤派，分配。
  1. If one of two quantities increases as the other decreases, we say that they are in inverse proportion.

    若二量之間一增加一減少，我們則稱二者成反比例。
  2. In general, the indexes mentioned above are to some extent in inverse proportion

    一般而言，上述各指數之間存在一定的反比例關系。
  3. It is the direct proportion to passenger transport income and is the inverse proportion to passenger transport cost

    該指標與旅客運輸收入成正比，與客運支出成反比。
  4. The amount of noise which anyone can bear undisturbed stands in inverse proportion to his mental capacity

    任何人能夠無動於衷地忍受的噪音的量，與他的心智能力成反比。
  5. The height of meniscus is in inverse proportion to the frequency, i. e., the higher the frequency, the more stable the meniscus

    彎月面的高度與電源輸入頻率成反比，頻率越高，彎月面穩定性越好。
  6. It is pointed out that the image resolution is in proportion to the size of the ccd chip and in inverse proportion to the recording distance

    從理論上分析了產生這些誤差的原因，同時作了計算機模擬與數值分析。
  7. According to this law, the pressure of a given mass of gas at constant temperature is in inverse proportion to the volume occupied by the sea

    根據這個定律，在恆定溫度下，某定量氣體的壓力是和該氣體所佔的體積成反比的。
  8. Because action between agents and reagents at all instants varied, with inverse proportion of increase and decrease, with incessant circular extension and radial reentrance

    因為起作用者和被起作用者之間的吸引力無時無刻不在發生著變化，而這又與持續不斷的環狀擴張和放射再突入的增減形成反比例。
  9. ( 2 ) the relevant analyses manifest that the ability of students " question raising is proportional to the school work marks, self - esteem, internal motivation and internal cause, and is in inverse proportion to external motivation and cause

    （ 2 ）相關分析表明：學生的提問能力與學業成績、自尊心、內在動機、內部歸因呈正相關。與外部動機、外部歸因呈負相關。
  10. To make the balanced regional distribution of higher education come into being, regional compensation theory should be adopted which believes that the regional distribution of higher education is in inverse proportion to the level of regional economy

    為此，應力求高等教育區域分佈趨于均衡，以政府為主導的區域補償理論認為高等教育資源的區域分配與區域經濟發展程度之間應成反比關系。
  11. Li of direction be postpone two the object couplet line direction ; distance ordinariness between direct proportion, and both becomes mass like its size and two objects product inverse ratio

    里的方向是延兩個物體的聯線方向；它的大小和兩個物體似的質量的乘積成正比，和兩者之間的距離的平凡成反比。
  12. The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault ， researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system ， a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows ： this paper compared some existing methods in excitation control ， fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 ， indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which ， discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations ， made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations ， which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations ， there were several very important parameters of power system - - rotor angle ( ) ， rotor speed ( ) ， generator q axis voltage ( eq ) ， transient voltage ( e ' q ) ， active power ( pe ) ， mechanical input power ( pm ) ， valve opening ( ) ， generator terminal voltage ( vt ) ， based on the model ， nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault ， which achieved better postfault regulation compared with another two routine methods ， one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either

    在介紹逆系統理論的基礎上，詳細介紹了dfl理論，通過比較闡明了dfl理論其本質是逆系統方法的一類，並結合具體課題推導出的模型方程將dfl理論進行了擴展，使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程，此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ，在此基礎上建立了實用的電力系統簡化的數學模型，並將擴展的dfl理論應用於此模型系統，結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器，通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門（考慮發電機的飽和因素）進行了對比，證實了採用此種控制器可以有效地提高電力系統的暫態穩定性，並且在電力系統遭受小干擾時同樣具有良好的調節性能。
  13. The radius of color screening in medium is in inverse proportion to the density of color charge and energy. when the radius of color screening is smaller than that of resonance state, strong interaction will decrease sharply and bound states ca n ' t exist

    因為介質中的色屏蔽半徑反比於色荷密度和能量密度，當屏蔽半徑比共振態尺度小時，強相互作用力會減小得很厲害，使得束縛態不可能存在。
  14. Through theoretical analyses in the article, the highly tough top - coal deflection before destroying is in inverse proportion to elastic mould, in direct proportion to tensile strength, and the conclusion that bigger deflection roof can ' t sufficiently transmit the compressible support to top - coal is drawn

    通過理論分析，獲得了高韌性煤層煤體在破壞前的撓度與彈性模量成反比，與抗拉強度成正比的關系，並得出撓度較大的頂板不能很好把支承壓力傳遞給頂煤的結論。
  15. ( 4 ) the sustainable growth rate of a listed company is in inverse proportion to asset - debt ratio, but in direct proportion to current debt ratio as well as acid test ration ( 5 ) there is a positive correlation between the sustainable growth rate of a listed company and its profitability

    （ 4 ）公司可持續增長率與資產負債率成反比，與流動比率、速動比率成正比。 （ 5 ）上市公司的可持續增長比率與公司盈利能力正相關，即盈利率越高，可持續增長比率也越高。
  16. The results show that : in the 2 - 4m of road buffer zones and 0 - 10m of infrastrctuer buffer zones, the density of dominant species and biomass will decrease for herbs, and abundance and proportion will get bigger than other exents ( inner species increasing owing to the outer species invading ) ; in the shrub disturbence extent, there exists an inverse relationship between the influence degrees and buffer zones ; in the 40m of infrastructure buffer zones, there has the biggest influence on the trees, however, the effect of road buffer zones is unobvious, only a small change on the morphology

    結果表明，草本類，游道影響源干擾區在2 4m ，設施類在0 10m ，原有優勢種密度減小，物種豐度較其它干擾范圍內有所增加（外部種入侵導致本地植物的種類數目增多） ，均勻度也增大，生物量減少；灌木類，在干擾范圍內，影響程度與影響源的距離成負相關關系；喬木類，接近設施類40m處影響最大，游道類影響源則影響效果不明顯，只有形態上略有變化。
  17. With the characteristic of stock price being too high, the difference of floating and non - floating shares, deep speculation, over - concentrated share right, share price being far from the enterprises " value as propelled by capital, share price and the size of floating stock being inverse proportion, so china ' s stock market is premature. it is unrealistic that we define the proportion of conversion stock by the ratio of stock market price or earnings per share. on the other hand, we can not ignore completely the price floating stocks

    確定折股比例的方法有七種； （ 1 ）每股收益之比； （ 2 ）以eps不被稀釋為約束條件來確定臨界折股比例； （ 3 ）每股市價之比； （ 4 ）每股凈資產之比； （ 5 ）以l - c模型來確定折股比例； （ 6 ）每股企業價值之比； （ 7 ）每股成本價值加成法（每股凈資產加成法） 。
  18. The average range of nonthermal radiation particles is direct proportion to the energy extent of nonthermal radiation particle, but also inverse proportion to the density of stellar gas, however, to the stationary black hole with mass multipole moment and nonstationary black hole, the average range of their nonthermal radiation particle still has something to do with direction, which are the new results reported firstly

    非熱輻射粒子的平均射程與非熱輻射粒子的能量范圍成正比、與星際氣體的密度成反比；對動態黑洞和一類具有質量多極矩的穩態黑洞而言，非熱輻射粒子的平均射程還與方向有關。這些都是首次報道的新結果。
  19. By the advantage of high precision, strong anti - interference ability, long lifespan, etc, grating scale is the chief sensor in displacement measurement. however, as is restricted by the beam path structure, the scan frequency of the scaning circuit, etc, the maximum available measuring speed has a inverse proportion relationship to the measuring pace of a single grating scale

    光柵尺具有精度高、抗干擾能力強、壽命長等優點，成為微納米位移測量的主要工具，但由於受光路結構及信號檢測電路掃描頻率等因素的限制，單個光柵尺測量的最大允許移動速度與其測量步距成反比。
  20. Secondly, a study of one kind of composite soil nailing, that is, a combination of soil nails with waterproof cement - soil mixing pile wall, was carried out by laboratory model test, the retaining structures were modeled according to a similarity rule that geometric length of the structure is in inverse proportion to deformation duration of the structure and the staged excavation and retaining was carried out during experiment to simulate actual construction procedures in situ

    其次，通過模型試驗研究了土釘與水泥土樁聯合支護型式的變形、破壞形態以及作用原理。試驗模型箱為無蓋六面箱體，內空凈尺寸長寬高為3 . 4m 1 . 0m 2 . 0m ，試驗填料為重塑土，土釘採用硬質鋁管。
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