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- 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。
- The decline of sales embarrassed the company. 销路下降使公司陷于财政困难。
- 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 harmonic combination of these tones. 四度和音音调的和谐组合
- Is inflation symptomatic of economic decline? 通货膨胀是经济衰退的征兆吗？
- harmonic decline 谐和衰减
- 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。
- Crime rate in the white areas here is on the decline. 此间白人居住区的犯罪率正在下降。
- The company has gone into a decline because of falling demand. 由于市场需求下降,这家公司的生意每况愈下。
- The number of robberies in the area is on the decline. 这地区的劫案在减少。
- A tone in the harmonic series of overtones produced by a fundamental tone. 泛音指由一种基本的声音所产生的一系列和谐的泛音中的声音
- It took me at least three months to wade through The Decline of the West. 我起玛花了三个月的时间才读完《西方文明的衰落》。
- That real learning took place at South Harmon. 真正的学习发生在南哈蒙。
- The effect is termed harmonic distortion. 这种作用就称为谐波畸变。
- Your claim unfounded regret must decline. 贵公司索赔没有理由，抱歉，我方拒绝。
- It is also called a harmonic equation. 它也被称为调合方程。
- They wish that prices would decline. 他们希望物价能下降。
- The system executes simple harmonic motion. 此系统产生简谐运动。
