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- It has proved thatthe equation of attenuation curve is a Arps hyperbolic curve which decline exponent is 0. 5 and the attenuation parameters (a, b and c) have the relation of b=ac constantly. 证明了衰减曲线即递减指数为0.;5时的Arps双曲线，也证明了衰减参数a、b、c之间始终满足b=ac的关系。
- Arps presented the hyperbolic decline theory in 1945,a lot of solutions have been given. Arps 于1945年提出双曲递减理论以来,人们围绕这个理论提出了许多解法。
- The Arps equation involves exponential decline, hyperbolic decline and harmonic decline, in which the hyperbolic decline equation is widely used and can be solved in many methods. Arps 递减规律分为指数递减、双曲递减和调和递减三种。 双曲递减是较广泛应用的一种递减，递减参数解法较多。
- The three types of decline curves presented by Arps(i.e. Exponential decline, Hyperbolic decline, and Harmonic decline)has been applied extensively in reservoir engineering. J.;Arps提出的三种递减类型;即指数递减、双曲线递减和调和递减;在油、气藏工程中得到了极为广泛的应用。
- In terms of analyses and research of references athome and abroad, a method for calculating Arps hyperbolic decline parameters has been screened, which is more reasonable, more simple and clear and much easierto use. 根据对国内外大量文献的分析研究，筛选出了一种计算Arps双曲递减参数的比较合理、比较简明、易于在计算机上实现的方法。
- After the gas field has entered into the production decline stage , its decline law can be studied by use of the typical curve fitting method or coordinate transform method through Arps hyperbolic decline equation generally . 气田进入产量递减期后 ,一般通过Arps递减方程 ,应用典型曲线拟合或坐标变换法来研究递减规律。
- To solve the problem,a pure non-linear model is developed on the basis of the Arps hyperbolic decline equation and the various methods of solving parameters to calculate decline parameters by applying cure matching after we have surveyed . 为了更好的解决上述问题，调研国内外诸多文献，基于对 Arps 递减方程及其参数计算求解方法的研究基础上，建立提出递减规律的非线性模型。 应用非线性曲线拟合法，计算递减参数。
- She's an exponent of the opinions of Freud. 她是弗洛伊德学说的鼓吹者。
- The decline of sales embarrassed the company. 销路下降使公司陷于财政困难。
- hyperbolic decline 双曲型衰减
- He is the supreme exponent of the English humorous essay. 他是英国幽默文章的重要代表。
- She is on the decline, and may die soon. 她的健康每况愈下，可能不久于人世。
- There is a decline in real wages. 实际工资有所减少。
- The analysis of characteristic parameters from generalized arc-tangent distribution production decline equation shows that if C=0, the decline equation can be transformed into hyperbolic decline equation of Arps decline equation; 通过对广义反正切微分分布递减方程特征参数的分析,指出当C=0时,该递减方程可转化为Arps递减方程中的双曲递减方程;
- Is inflation symptomatic of economic decline? 通货膨胀是经济衰退的征兆吗？
- Lincoln is a famous exponent of self-education. 林肯是自我教育的著名典型。
- The exponent is a fraction or negative number. 指数是一个分数或负数。
- He is a famous exponent of self-education. 他是自学成材的典范。
- Our senator is an exponent of free trade. 我们的参议员是一个自由贸易的拥护者
- In truth, moral decay hastened the decline of the Roman Empire. 事实上，道德沦丧加速了罗马帝国的衰亡。
