positive constant 中文意思是什麼
positive constant
解釋
正常數-
The derived dry bulk modulus must be positive and greater than 2 / 3 of shear modulus to insure a positive lame constant and poisson ' s ratio
提取的乾燥體變模量必須為正，並且大於剪切模量的2 / 3 ，以保證拉梅常數和泊松比為正。 -
C is a positive constant, the spring constant.
C是正的常數，稱為彈性系數。 -
Lots of concrete examples are (, ) - metrics. and one of fundamental problems in finsler geometry is to find and study finsler metrics with constant ( flag ) curvature. on the basic, we majarly study the following problems in present paper : ( a ) to the property of a class of (, ) - metrics in which is parallel with respect to riemann metric a and riemann metric a is of constant curvature, we obtain the following theorem4. 3 let f (, ) be a positive definite metric on the manifold m ( dimm > 3 )
在finsler幾何中，我們現在已知的finsler度量已經很多了，但大多數具體的例子主要都集中在（ ， ） ?度量中，又在finsler幾何中一個基本的問題就是去發現和研究具有常曲率的finsler度量，基於這些本文主要研究了以下一些問題： （ a ）一類關於是平行的並且riemann度量具有常曲率的（ ， ） ?度量的特殊性質，得到了如下的定理4 -
Much of the present bad blood between china and japan has to do with china ' s constant harping on japan ' s brutal deeds in the first half of the 20th century while glossing over its positive regional influence in the second half
中日之間的齟齬與中國一直以來的宣傳口徑不無關系，中國總是反復強調日本在上半個世紀對自己造成的傷害，卻絕口不提日本在下半個世紀對該地區的積極影響。 -
We find that the cosmic scale factor has the form of exponent inflation if the cosmological constant contributes to the positive material density, and the factor is composite function of cosine if the cosmological constant contributes to the negative material, furthermore, we gain the new formality of the pressure and the temperature in the procedure of cosmological evolution
首次發現當宇宙學常數對物質密度的貢獻大於零時有指數復合函數的型得一般暴漲，當宇宙學常數對密度的貢獻小於零時宇宙有餘弦形式的演化。通過對宇宙中壓強和溫度的計算，得到新的壓強表達式和暴漲宇宙模型中溫度隨時間演化的表達式。 -
The charge and discharge performances of different composites were studied by the charge and discharge ; the structures of composites were characterized by sem ; the electrochemical properties of sulfur positive materials were characterized by cyclic voltammetry and eis. we studied the charge process, discharge process, charge - discharge efficiency, self heat, and self - discharge of lithium - sulfur system on system shuttle constant, conduct the mechanism of these processes and simply analyse them
以充放電技術研究了不同類別復合正極的充放電性能;以掃描電鏡技術觀測了復合正極的表面形貌;以循環伏安技術和交流阻抗技術研究了復合正極電極的電化學性能;並初步探討了鋰-硫電池體系中充電過程、放電過程、充放電效率、自熱和自放電等對體系飛梭常數的影響，推導了這些過程的機理並簡要的進行了分析。 -
One of the important prerequisites for nn to approximate the nonlinear function f ( x ) is the states x of the system should be in a compact set. therefore, the unkown unlinear systems can be expressed by nn and a model error e ( x ), and there exists a positive constant 6 such that e ( x ) < 8. so the problem can be incorporated into robust adaptive control
神經網路可以逼近非線性函數f （ x ）的一個重要前提是x必須落入某一緊集s中，因此在一緊集u上，未知的非線性系統就可以用神經網路及一建模誤差項（ x ）表示出來，且存在一正的常數，使得（ x ） ，從而這一問題可以歸結到魯棒自適應控制中。 -
First, we give a polynomial series and study its minimum positive zero points, from this, the theorem of delay differential equations with both positive arguments and constant coefficient is obtained, this theorem is more explicit and practicable
1具有正時滯的微分方程解的零點分佈為了證明方便，歸納定義多項式序列如下：記多項式_ i （ s ）的最小正根為b _ i 。定理1 -
While am + sl = q, the upper bound is positive infinity, and 9 can be taken as an arbitrary positive constant
當m + l = 0時，其上界為正無窮大，亦即可取任意正常數。 -
In chapter l, we introduce the relative background on this paper and give some simple expressions of the work which have been studied. in chapter 2, in virtue of the notion of likelihood ratio the limit properties of the sequences of dependent nonnegative continuous random variables are studied, and a class of strong limit theorems represented by inequalities are obtained. the bounds given by these theorems depend on positive constant c. in chapter 3, by means of the notion of log likelihood ratio, a kind random strong deviation theorem are obtained, and the bounds given by these theorems depend on r ( )
第一章，介紹本論文的選題背景，對已有的工作進行扼要的介紹；第二章，利用似然比的概念研究相依連續型非負隨機變量序列的極限性質，得到一類強偏差定理，其偏差界依賴于正常數c ；第三章，利用對數似然比的概念得到一類隨機偏差定理，其偏差界依賴于r （ ） ，證明中引進了尾概率和尾概率的laplace變換的概念；第四章，利用對數似然比的概念，得到了一類關于任意連續型隨機變量序列的泛函的強偏差定理。 -
The value of this constant is the result of dividing a positive number by zero
此常數的值是正數被零除所得到的結果。 -
The whole paper consists of three parts : part is about general theory of the least positive period, which argues the necessary and sufficient condition for the existence of the least positive period for a periodic function, and concludes " the existence of the least positive period for that periodic function, which is continuous at least one point and not equal ever to a constant " ; part researches the least positive period for the sum of two periodic functions, followed its general expression ; part discusses non - periodicity for the compound function constructed by a periodic function and a non - periodic function, and the corresponding results
全文分為三部份：第一部份是關于最小正周期的一般理論，得到了周期函數有最小正周期的充分必要條件，也獲得了「至少在一個點連續且不恆等於常數的周期函數必有最小正周期」的結論；第二部份分析了兩個周期函數之和的最小正周期的問題，給出了其一般表達式；第三部份討論了周期函數與某些類型的非周期函數構成的復合函數的非周期性問題，並得出相應結論。 -
It is approved that the deficiency level keeps relatively the lowest and the dielectric constant however shows the highest, if the contents of mn3 + and la3 + are comparatively the same. on the contrary, the dielectric constant decreases with increasing the contents difference of mn3 + and la3 + ions. the effect of overlap appeared when the dielectric loss was aroused due to the activation of positive and negative carries at certain temperature, which brought abnormally high dielectric loss
證實了材料在mn ~ （ 3 + ）含量與la ~ （ 3 + ）含量相當時體系中產生的缺陷相對最少，其介電常數最大，反之隨兩者含量偏差的增大而下降；材料中由正負兩種局域載流子在一定溫度下激活過程中產生的損耗出現了迭加效應，給出了異常的高損耗值;材料中隨著mn摻量的增大，體系提供的3d電子數增多，電子輸運通道改善，導電性提高。 -
The existence of positive non - constant solutions to a prey - predator model
一個捕食模型非常數正解的存在性 -
Let ( m, f ) be an n - dimensional compact finsler manifold without boudary. if for some positive constant k, then moreover, the diameter of m is when 1 = mk
設m是緊致無邊的m維幾二le :流形，如果存在常數k ，使得b凡引x ）全（ 。 -
Our calculation shows different behaviors of structure formation in positive - and negative - polarized systems and a critical dielectric constant at which a ground state transition happens is reported
我們發現，由於多極矩效應的影響， er流體中正負偶極矩因子的對稱性將被打破，並進一步地計算了顆粒負極化時體系基態結構發生轉變的臨界值。 -
C is a positive constant, the spring constant
C是正的常數，稱為彈性系數。 -
Last, in chapter 3, we consider the discrete - time competition model with periodic coefficients where p > 0 is constant, - periodic sequences. the persistence of the positive solutions of ( 3 ) and sufficient conditions for the existence and stability of the positive periodic solution of ( 3 ) are obtained, our results extended the corresponding work in [ 17, 18, 19 ]
第三章，考慮具周期系數的單物種競爭模型其中{ （ n ） } ， { （ n ） }都是以為最小正周期的周期序列，研究了該方程的正解的持久性與周期解的存在性和穩定性，所得結論拓廣了[ 17 ， 18 ， 19 ]中的工作。 -
The ripping of the theories and practices of tourism planning provides a logical foundation for examining many strategic issues of regional tourism development from macro scope. the theoretical and positive researches of our country ' s tourism development on the basis of introduced theories from overseas tourism planning have offered strong support for the construction of the study framework of regional tourism development strategy. practical researches of regional tourism development strategy, with constant perfection and abundant on methodology and content, have settled direct foundations for the construction of the framework of strategic planning
旅遊規劃「宏觀層次拓展，微觀層次深化」的發展趨勢，產生區域旅遊發展戰略規劃研究的現實需求；旅遊規劃理論與實踐的日趨成熟為從更宏觀角度審視區域旅遊發展的戰略問題提供了合乎邏輯的基礎；在引進國外旅遊規劃理論的基礎上針對我國旅遊發展特點開展的大量理論與實證研究，為區域旅遊發展戰略規劃研究框架的構建提供了有力的支持；現實的區域旅遊發展戰略研究，在方法論與內容上的不斷完善與豐富，為戰略規劃研究框架的構建奠定了直接的基礎。
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