variable quantity 中文意思是什麼
variable quantity
解釋
變量-
Deflation is the division of a value variable by an appropriate price index so as to obtain a quantity variable.
減縮是價值變量除以適當的價格指數以獲得數量變量。 -
In fact, the premium is the equilibrating price variable, equating the quantity of options supplied with the quantity of options demanded
實際上，期權費用是一種使期權供應數量與期權需求數量相等的均衡價格變量。 -
He now called a variable quantity a fluent.
他現在把變量叫做流。 -
He now called a variable quantity a fluent and its rate of change, the fluxion.
他現在把變量叫做流，變量的變化率叫做流數。 -
A variable is a quantity to which an unlimited number of values can be assigned.
變量是一個可以有無限數值的量。 -
How to vary the two variable quantity of the buck - boost basic circuit on the high frequency switching and whether or not their varying laws are fit for their theoretical conclusion
高頻開關下的buck - boost電路中各個變量的動態變化如何，其變化規律是否與理論上的推導一致。 -
Therefore, the paper expanded eles, namely, turned the above assumption into the following : all the consumers in the same income level have the identical marginal budget share or the identical marginal propensity to consume when consuming certain goods, but consumers in different income level have not and the paper, by defining and introducing the nominal variable of income level - a variable of the marginal propensity to consume only resulting from the change of consumers " ( rural residents ) income level, with which the standard income level was compared, adopted to expand again the extended eles model, exploited the surveying household data in 2001 by liaoning statistics bureau, caculated ( 1 ) the marginal propensity to consume, real expenditure structure, real propensity to consume and marginal budget share of main consumer goods of rural residents in different income levels ; ( 2 ) the proportion of the basic demand quantity, the basic demand structure, the basic demand of main consumer goods in real expenditure of livelihood consumption ; ( 3 ) the income elasticity of demand, the expenditure elasticity of consumption, the price elasticity of demand and the cross price elasticity of demand of main consumer goods ; finally, came the following conclusions : 1
故本論文採用對擴展的線性支出系統進行再擴展，即將上述假定改為： 「對某類消費品的邊際預算份額或邊際消費傾向，對于同一收入等級的所有消費者均相同，但對于不同收入等級的消費者則有可能不同。 」並通過定義和在模型中引入收入等級虛變量，藉以代表與基準的收入等級相比，消費者（農民）僅僅由於其所處的收入等級變化所導致的邊際消費傾向的變化量。本論文採用對擴展的eles模型的再擴展，利用遼寧省統計局農調總隊的2001年農村住戶調查分戶資料（共1890戶） ，計算了（ 1 ）不同收入等級農民對各主要類型消費品的邊際消費傾向、實際支出結構、實際消費傾向、邊際預算份額； （ 2 ）不同收入等級農民對各主要類型消費品的基本需求量、基本需求結構、基本需求占實際生活消費支出比重； （ 3 ）不同收入等級農民對各主要類摘要型消費品的需求收入彈性、消費支出彈性、需求自價格彈性、需求的交叉價格彈性。 -
The quantity n is an integer, not a continuous variable.
量n是個整數，而不是一個連續的變量。 -
The paper analyzes the non - lineal relations of the quantity of heat exchange and water flux of coil exchanger in part - load operating condition, the shortage of deciding the water flux in bypass pipe, the disadvantage that the operating condition of pumps and chiller ca n ' t be met with the load change of the air conditioning system in different operating condition of using pressure - difference bypassing control in primary water pump system. using load control method in the change of the operating condition of primary water pump system can realize that the load change is small and reasonable in the on / off condition of pumps and m m chiller by comparing load control method in primary variable - flow water pump system with pressure - difference bypassing control method, back water temperature control method
本論文從目前空調工程中使用的變流量水系統入手，研究了盤管換熱器在部分負荷下水流量與換熱量的非線性關系，分析了文獻中介紹的旁通管通流能力選擇的不足之處和一次泵水系統採用壓差旁通控制時，工況轉換不能滿足系統控制要求的缺陷；比較了一次泵變流量水系統中壓差旁通控製法、回水溫度控製法、負荷控製法的精確性，並得出了在一次泵水系統的工況轉換時，採用負荷控製法能使冷水機組及其相應水泵在啟停時的負荷變化范圍較小，更符合建築物的冷量需求，節能效果較好的結論。 -
When the paper uses the optimization regulation, it divides the management time into " t " stages according to ten days to make up the decision having many stages of the reservoir ' s optimization regulation, and it takes the reservoir ' s retain quantity of water or retain status of water and confiscated quantity of water a s condition variable, takes the water quantity of drawing off or quantity of electricity as decision variable. when the confiscated quantity of water can be known or be forecasted in every stage during the period of management, that is to say the confiscated water process can adopt the determined process, we can make up determine dynamic plan model with many stages and take the minimal lacking water as objective function
在動態規劃方法中把水庫的整個調度期，按句劃分為t個時段，以水庫的蓄水量s或蓄水位z和入庫水量q作為狀態變量，以水庫放水量q或電站出力n或發電量e作為決策變量，構成一個多階段決策過程，當計劃調度期內各時段的入庫徑流量已知或可以預報，即入庫徑流過程可以採用確定性徑流過程時，分別按缺水量d最小作為目標函數建立多階段確定性動態規劃數學模型。 -
Based on the analysis to the ecosystem ' s structure and features, the rule of baiyangdian water eco - system change is put forward according to the controlling variable of water quality and water quantity by catastrophe theory
摘要通過在分析白洋淀水生態系統的構成與特點的基礎上，應用突變理論對白洋淀水生態系統在水量與水質兩個控制變量作用下的變化進行了研究，闡述了白洋淀水生態系統狀態變化的規律。 -
In the first phase, users are partitioned into fuzzy regions according to quantity supplied and the length of paths using genetic algorithm ; in the second phase the global optimization is carried out by the hybrid genetic algorithm with 2d variable - length chromosomes and corresponding genetic operators
在第1階段，使用遺傳演算法對客戶按供應量和路徑長度進行模糊分區；在第2階段，採用二維變長染色體編碼及相應的遺傳運算元進行混合遺傳演算法的全局優化。 -
To change the type of the quantity variable, select the quantity part. right - click and choose set type
為了下載vtp源代碼，首先要創建到eclipse cvs庫的匿名連接。 -
What the practical problems is often gotten is a single variable time series which has a time interval of t, reflect by a lot of interactive physics factor, containing the mark of all variates participating in movement, traditional time series analysis is to analyse going from this array to the form directly it ' s time develops, one dimension analysis loses useful information, the characteristics of phase space reconstruction method is to construct one dimension scalar quantity to high dimension vector, prop the geometry space of the state, show all dynamical information of system in phase space. the characteristic that just constructs again according to the phase space in this text, analyse the time series of responding, use the relevant knowledge of symbol dynamics and reconstruct phase space, put forward a kind of relation degree analysis method of the systematic mathematics model which has theory basis, so reach the correction of calculation mathematics model, make it accord with the actual systematic state
實際問題中常常得到的是一個時間間隔為t的單變量的時間序列，它是許多物理因子相互作用的綜合反映，蘊藏著參與運動的全部變量的痕跡，傳統的時序分析是直接從這個序列去形式地分析它的時間演變，一維分析必然喪失許多有用信息，相空間重構方法的特點是把一維標量數據構造成高維矢量，支起狀態的幾何空間，在相空間中展示系統全部動力信息。本文正是根據相空間重構的特點，對響應時間序列進行分析，利用符號動力學、重構相空間等方法，提出一種有理論依據的系統數學模型關聯度分析方法，從而達到修正計算數學模型，使其更符合實際系統狀態的目的。 -
At first, buck - boost circuit is detailed analyzed and derived strictly in the theory, and on the base, the current of the inductance and the output voltage are analyzed elaborately. when the input voltage is the ac voltage with the nomal frequency, the two variable quantity are analyzed and some conclusions are concluded by means of equal length separation methods and introducing function methods and derivative - equation methods. and this is the basis of the next proceeding
首先，對buck - boost電路進行了嚴謹地理論推導，先對buck - boost電路在輸入為直流電壓時的工作情況進行了分析；在此基礎上，對輸入為工頻交流電壓時的電感電流、輸出電壓作了詳細分析，利用等間距離散化方法、引入函數法、微分方程法分別對變量進行了推導和總結，為下一步工作奠定了理論基礎。 -
The results show that the rational range of variable output is between the quantity of output when marginal cost is lest of all and the quantity of output which is decided by marginal cost when it equals the expectation price of the product in market
分析結果表明，可變產量的理性產出范圍應在最小邊際成本所對應的產出量到邊際成本與產品的預期價格相等所對應的產出量之間 -
Secondly, agreement between the result from the mentioned eigenvalue arithmetic and the result from numerical calculation in the airfoil differential equation with runge - kutta method which obtain the trend of physical variable quantity demonstrate the fact that the assumed model and the given equations are valid
其次，通過用龍格?庫塔的數值方法對微分方程進行迭代，所求出的系統各振動量變化規律和上述算例的特徵值對比，結果是一致的。這就驗證了建模的合理性和方程推導的正確性。 -
In order to achieve good quantity control, we should control product quantity or correlative process variable severely
為了實現良好的質量控制，就必須對產品質量或與之相關的重要過程變量進行嚴格控制。 -
To explain the changing quantity of the population density, this paper using a quadratic function, to constitute a metropolitan spatial structure varying model, and find that income variable is a exlpanatory variable for metropolitan spatial structure change, and economic industry spatial changing quantity has no relationship with population density spatial distribution changing on metropolitan areas, and the policy implications of the explanations should be briefly discussed
在人口密度空間結構變化量上，本文利用二次方函數建立都會區空間結構變化模式，並透過影響都會區空間結構的解釋變數，發現所得因素是解釋都會區空間結構變化的一個變數，經濟產業活動在空間上的變化量和人口在空間變化量無關，該測試結果並形成未來都會區發展政策上應注意的課題。 -
Phrases like " a number " or " the number " tell us our expression has an unknown quantity, called a variable
像「一個數」或「這個數」之類的短語，告訴我們表達式中含有一個未知量，稱之為變量。
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