对数

The results demonstrate that: ARMA(1,1) model,auto-regressive model with GDP as exogenous variable,auto-regressive model with policy as exogenous dummy variable,and logarithm linearity and removal average model are all valid models for forecasting tax revenue.

结果表明：ARMA(1，1)模型中，以GDP为外生变量的自回归模型、以政策因素为虚拟外生变量的自回归模型以及对数线性移动平均模型都是预测税收收入的有效模型，但以GDP为外生变量的自回归模型在预测2005年税收收入时，预测值与实际值的预测偏差仅有1。

On the basis of analyzing hyperbola and exponent models in common use, the power function model is presented.

在分析了岩体节理法向变形的对数模型、双曲线模型的基础上，提出了一种幂函数模型。

The model is adopted to produce the inverse time overcurrent characteristic curves. In order to solve the problem of the inverse-time characteristic curve of exponential calculation into a microprocessor capable, this paper discusses it and puts forward solutions. The simulation shows it can be used in the actual application of microproc...

根据该模型得到的过流保护反时限动作特性曲线，为了解决反时限特性曲线中的对数运算转换为微处理器能够处理的运算的问题，对其进行了探讨，并提出了解决方法，通过仿真表明完全可以在实际的微机保护装置中应用，具有较高的实际应用价值。

The verification methods of reliability index under exponential distribution and maintainability index under logarithm normal distribution have been deduced.

推导出了指数分布下可靠性指标的验证方法和对数正态分布下维修性指标的验证方法。

The logarithmic function is defined as the inverse of the exponential function .

对数函数是作为指数函数的反函数来定义的。

The most important exponential function is ex, the inverse of the natural logarithmic function.

最重要的指数函数是ex，即自然对数函数的反数

The relaxation of new positive charges on post-stress samples is shown to be dispersive which doesn't conform to the suggested logarithmic or fractional exponential law.

新生正电荷在低场的弛豫行为具有偏移的特性，并不符合以前研究认为的对数或分数指数规律。

Based on this method, Logarithm Process model and Exponential Process model is established.

以此方法为基础建立了对数过程模型和指数过程模型。

The Logarithm Process model adapts to describe early failure phase and random failure phase, the Exponential Process model fits for different phase.

其中对数过程模型可用于可修系统使用早中期的情形；指数过程模型可用于描述可修系统各个不同使用阶段的故障统计规律。

Had mastered the method that compares exponential type size, there also can be very great help when comparing logarithm size.

把握好比较指数式大小的方法，在比较对数大小时也会有很大帮助。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。