螺旋

A rotary separator of vacuum cleaner is composed of a dust collecting container, an opening-closing cover, and a separating plate dividing the dust collecting container into upper space and lower dust collecting chamber.

本发明属于一种真空吸尘器用的旋转分离装置，包括含有异物的空气流入其内形成螺旋流的集尘箱，可开闭集尘箱的盖，集尘箱内设有分离板，分离板与集尘箱的下侧内周面严密地结合，在分离板的下部形成集尘部；分离板是中心开有开口部的圆锥状，从上面的圆周向下倾斜形成引导部，引导部的最下端有引导异物流入到上述集尘部的流入孔。

Astronomers have spent many decades trying to measure basic galaxy properties such as age, mass or dustiness that may give us some clues as to how they formed and evolved and what precisely the connection between spiral and elliptical galaxies is.

天文学家花费了几十年试图去估量基本的星系特性，比如年龄，质量或者含尘量，这些可能会给我们关于星系是如何形成和发展的以及椭圆星系和螺旋星系之间的精确联系是怎样的一些线索。

It is very important to deeply study the formation and the dynamics of spiral wave.

因此深入研究螺旋波的形成及其动力学行为具有重要的意义。

Methods The muti-row spiral CT of 21 cases of fibrous dysplasia confirmed by operation and pathology were analyzed.

分析21例由手术病理证实的骨纤维异常增殖症的多排螺旋CT特点，讨论其表现。

It implies that the rotation of earth and basic current are playing an important role in the spiral structure of the Rossby waves.

基本西风气流和地球的旋转，对於Rossby波的螺旋结构的形成是十分重要的。

This paper analyses existing problems and retrofit of low temperature economizer in No.

针对永济热电厂某锅炉低温级省煤器存在的问题，介绍了采用螺旋肋片式省煤器进行改造以减轻磨损状况的方

This paper describes the application of optimization technology in the design of low pressure economizer fixed with fined tubes in Shandong Weihai power station,and discuses the stability of the optimum parameters.

文中叙述了最优化技术在山东华能威海电厂螺旋肋片管低压省煤器设计中的应用，并对最优参数的稳定性进行了分

The western giant eland has large ears, spiral pointed horns and vertical white stripes on its cinnamon-brown body.

西部巨型旋角大羚羊具有大耳朵，螺旋尖型角以及在肉桂棕色身体上有垂直方向的白色条纹。

Elater One of many elongated spirally thickened cells that are formed within the capsule of certain liverworts (e.g. Marchantia and Pellia).

弹丝：在某些苔类孢蒴中所形成的许多加长的螺旋型加厚细胞，。

Generally, the influence of electric field is studied widely.

电场对螺旋波的影响研究的比较多。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。