对数

In the practical examples we optimized a simple double-curved arch dam with a single circle centerand equal thickness,and a complicated logarithmic spiral double-curved arch dam according to this designnotion,calculation results of the practical examples show that the design method is audio-visual and rational.

在实例中按照这种设计思路，对体形较简单的单圆心等厚度双曲拱坝和较复杂的对数螺旋线双曲拱坝分别进行了优化设计，计算结果表明该优化设计方法直观、合理。

A logarithmic spiral is inscribed.

对数螺旋是题写。

The reason for the logarithmic response is that it covers a wide range of frequencies.

这种对数性的反应的原因，是它可以涵盖很宽的频率范围。

They support almost all the useful operations, and the logarithmic average cost is very small.

他们支持几乎所有的有用的操作，以及对数平均成本是很小的。

Here we have 49 famous computers. I put them in a logarithmic graph.

这里有49台著名的电脑，我把它们放进对数图中。

Our perception of brightness is logarithmic, not linear.

我们对亮度的感受特性是对数性的，而非线性的。

In group key management, the approach based on the key-tree is widely used to achieve logarithmic rekeying costs.

在群组密钥管理中，基于密钥树的方法可以达到对数级别的密钥更新代价而被广泛采用。

Experiments demonstrate that algorithm builds CAN in a logarithmic number of steps.

实验表明，该算法能在对数的时间内构建出CAN网络。

Moreover, communication is affected by psychological process, it follows the logarithmic transformation of sense and perception.

此外，信息交流还受心理过程的影响，它遵循格式塔心理学的基本原则及感觉知觉过程中的对数变换法则。

According to the analysis, logarithmic relation between bending strength and fiber volume content was proposed.

根据以上分析，提出了复合材料弯曲强度与纤维体积含量呈对数关系。

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％。