可动臂式的刮板以对数螺旋线轨迹集泥，连续性好、集泥效率高。
Movable arm scraper collects sludge using track of log spiral, so it has characteristics of good continuity and high efficiency of sludge collection.
介绍了对数螺旋线的相关知识，及其在自然界中尤其是在水利工程中的运用。
Logarithmic spiral line has been used more and more in practice, this paper give a general introduction of logarithmic spiral line.
除选定滑动面为对数螺旋面—对数螺旋面—平面的形式外，没有其他任何的简化或假定。
Except that the selected sliding surface is formed by logarithmic helicoidal surface-logarithmic helicoidal surface-plane, no other simplifications or assumptions are made.
最后采用曲线拟合的方法进行对数螺旋线拟合，拟合出曲线后，与标准零件进行比较分析。
Finally adopts the method of curve fitting to do the logarithmic spiral fitting, and then do a comparative analysis with the standard components after fitting the curve.
采用平面和对数螺旋滑裂面的单滑块机制，对典型的二维土压力问题进行分析，其结果说明该方法的有效性。
For single block mechanism, such as plane and log-spiral slip surface, the validity of this method has been verified by a typical two-dimensional example.
绿色螺旋线由内部每一个正方形和四分之一圆相切线构成，而红色的螺旋线是黄金螺旋线，它是对数螺旋线的一种特殊类型。
The green spiral is made from quarter-circles tangent to the interior of each square, while the red spiral is a Golden spiral, a special type of logarithmic spiral.
研究结果表明，挡墙背后土体存在着沿平面滑动和绕对数螺旋柱面转动两类临界状态，对应有两种不同类型的水-土压力分算方法。
Under the precondition of computing water and earth pressures separately, the effect of the computation method of earth pressure on that of water and earth pressures is studied.
通过对采用平面楔合面内星轮的超越离合器的受力及摩损对其使用可靠性影响的分析 ，从而提出了用对数螺旋楔合面代替平面楔合面的设计方案 ，并对两种方案进行了比较。
So the autor proposed a new design project use logarithmic helicoid instant of planar plane of action and at the same time this two project were compared in detail.
用于电磁兼容试验的宽频带天线有很多类型，如双锥天线、对数周期天线、螺旋天线、喇叭天线等等。
There are all kinds of antennas used in EMC test such as biconical antennas, log periodic antenna, helical antenna, ridged horn antenna and etc.
文章通过对数据仓库技术以及传统瀑布式软件开发模型的分析，提出了数据仓库开发的螺旋式开发模型。
This paper presents a new spiral development model based on data warehouse through analyzing the data warehouse technique and traditional software development model of waterfall.
文章通过对数据仓库技术以及传统瀑布式软件开发模型的分析，提出了数据仓库开发的螺旋式开发模型。
This paper presents a new spiral development model based on data warehouse through analyzing the data warehouse technique and traditional software development model of waterfall.
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