增长可以用线性或对数线性趋势来表示。
本文研究用正交多项式逼近非线性趋势，然后对残差进行单位根检验的方法。
Orthogonal polynomial approximation is proposed to estimate the nonlinear deterministic trend and then the residual is used to test the unit root.
然而，过去的研究和模拟表明，烷烃的水化自由能并不符合预计的线性变化趋势。
Previous experiments and simulations, however, indicated that the free energy of hydration did not match this predicted linear trend.
而且预测也通常都是线性的：很多时候，预测人只不过是突出了最近的趋势而已。
It also tends to be linear: too often forecasters merely project forward recent trends.
借助Monitor的计算功能，我们能够使用一个线性类型显示ecr提交的趋势，如图12所示。
With the calculation capability of Monitor, we provided the ability to show the trend of ECR submission using a linear type, as shown in Figure 12.
大趋势的指数曲线最终会超过亏损时最陡峭的线性曲线。
The slightest exponential curve from a big trend would eventually surpass the steepest linear curve they saw while losing.
根据油田原油产量为随机线性变化趋势，采用二次指数平滑方法进行预测。
According to the random linearity change trend of crude production rate, using the secondary exponential smoothing predicts the crude production rate.
最后，建立了基于时间序列的二次指数平滑线性预测模型，进行商品销售趋势的分析，部分验证了本文的设计分析。
Finally built a two linear forecasting models based on smoothing of time queue about analysis of sale trend, and verified the design analysis of this paper partly.
采用线性倾向估计研究黑河流域年降水的变化趋势。
Tendency of annual precipitation in Heihe filed is studied by using linear tendency estimation.
在论坛内，提炼影响传播行为的指标体系，并结合多元线性回归理论，实现了对传播趋势的预测。
In BBS, we study the index system affecting topic diffusion to achieve the diffusion trend forecast based on multivariate linear regression theory.
尽管经济的增长是线性的但是我们可以观察到，经济趋势就像过山车，到达顶峰后，突然降到谷底。
Although the growth of an economy is linear but it is noticed that the economy trend is like a roller-coaster, reaching a pinnacle and dipping down to the trough.
以差错率为指标，对调查员和编码员每月的工作进行考核，并采用线性回归评价总体质量变化趋势。
Error rate (er) was used to assess the work of interviewers and coders. The outcomes were evaluated by means of linear regression.
不论刚体气动力为线性还是非线性，气动力系数随动压变化的趋势均呈线性。
The aerodynamic coefficient varies with dynamic pressures always linearly, no matter what a rigid aerodynamic force may be linear or non-linear.
布朗单一参数四次指数平滑能更好地跟踪时序的非线性变化趋势，达到更好的短期预测效果。
Quartic exponential smoothing method can follow the nonlinear trend of time series better and can also forecast better.
结果表明，岩石节理峰值和残余剪切应力随垂直应力的增加呈线性增长趋势，而剪胀特性已变得不明显。
The test results show that the peak and residual shear stresses increase linearly with the increase of different normal stress histories.
另外，利用非弹性需求谱确定结构的目标位移是现在的发展趋势，因为它避免了繁琐的非线性时程分析。
On another hand, the seismic performance got from inelastic demand spectrum was increasingly popular because it avoids the complicated nonlinear time history analysis.
试验结果发现冻土的冲击韧度随冲量的增加而呈非线性增加趋势。
The results show that the impact toughness of frozen silt increases in nonlinear with the increase of pendulum impulse.
根据1990年全国人口普查资料计算标化新登记率，用线性回归分析进行新登记率趋势的计算。
The standardized new registration rates were calculated according to the data of census in 1990. The method of linear logistic regressions was used to calculate the new registration rates.
甲烷体积分数对盈余热量影响显著，呈线性递增趋势；
The volume fraction of methane has significant effect on surplus heat with linear increasing trend.
运用非线性理论研究企业环境成本与生产投入之间的动力学关系，预测环境成本与生产投入的发展趋势。
The dynamic relationship between the environmental cost and production input of enterprise was studied by non-linear theory to predict the development trend of environmental cost and production input.
文章考虑网络流量非线性的特点，通过不同的数学模型将流量时间序列分解成趋势成分、周期成分、突变成分和随机成分。
According to the character of non linear network traffic, the traffic time series is decomposed into trend component, period component, mutation component and random component.
本文比较了无机、有机、半有机三类非线性光学晶体的性能、研究进展以及面临的主要问题和发展趋势；
The properties, the research progress and the development trend of inorganic, organic and semi-organic nonlinear optical crystals are discussed in detail in this paper.
根据新的目标函数，设计了一种重要点和自底向上分割相结合的时间序列分段线性化趋势特征提取方法。
The existing algorithms to extract trend features based on time series piecewise linearization representation cannot extract completely correct basic trend features of time series.
利用非线性逐步回归方法作台风活动趋势的预报。
The nonlinear stepwise regression method is used to make typhoon activity tendency forecast.
随着芯棒伸出量的增加，管材弯曲过程中的壁厚变薄率变化趋势可分为三个阶段即线性下降阶段、过渡阶段和非线性增加阶段。
As the length of mandrel extension increases, the trend of thinning-rate change can be failed into three stages, namely linear decrease stage, transitional stage and nonlinear increase stage.
概率决定论以过去、现在和未来的非线性关系为基础，以概率的形式描述某一随机事件的发展趋势和规律。
The probability determinism has as its basis the non-linear relation among time in the past, present and future, and describes the tendency and law of a contingency in the form of probability.
概率决定论以过去、现在和未来的非线性关系为基础，以概率的形式描述某一随机事件的发展趋势和规律。
The probability determinism has as its basis the non-linear relation among time in the past, present and future, and describes the tendency and law of a contingency in the form of probability.
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