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This paper presented the working principle and structure of the double-action vane pump, analyzed its mechanism of variable displacement and characteristics of energy saving.

本文介绍了双作用叶片式二次元件的结构和工作原理，分析了其节能原理和特点。

According to the characteristics of railway traffic organization in China, this paper conducts a study on the key problems in working out the adjusted train diagram by computer in automatic block districts of double-track lines.

从编制列车运行调整计划的要求出发，分析了传统的三种列车设定方法所存在的不足之处，在此基础上，提出了以组合界线列车设定法为核心内容的一整套新的理论和算法。

This paper introduced a new type of differential steering gear equipped with heave-duty crawler dozer and analyzed its working principle as well as its special application by kinematics analysis.

本文应用运动学分析的方法，对大功率履带推土机差速转向机构的工作原理及使用特点进行了讨论与分析。

According to the characteristics of the stairs working drawing, this paper summarized five kinds of stairs.

该文根据楼梯结构施工图的特点，归纳了5种楼梯结构类型。

In this paper, we mainly introduced the LED's structure, working principle and basic characteristics of the main parameters, the profile of the LED driver circuit and its developments.

本文在阐述了LED的结构、工作原理、主要参数和基本特性的同时，简介了LED的驱动电路及其发展动态。

Based on the theory of fluid transmitting pressure, this paper gives a method of dual pressure-out curve for the diagnosis of screw pump well working status.

韩修廷 ，张男，李永东基于流体传压理论，给出了诊断螺杆泵井工况的双憋压曲线法。

The dung beetle is selected as bionic prototype in this paper to design the working layer of an impregnated diamond bit,which makes the bottom surface always keep the same non-smooth shape and makes the bionic bit maintain a high penetration rate and long-life...

以蜣螂为仿生原形，设计孕镶金刚石钻头的工作层，使工作层底唇面始终具有相同的非光滑形态，始终保持高钻速和长寿命，突显出仿生金刚石钻头的高效率、耐磨和减阻特点。

Taking electrobath of hydronium film as an example, this paper introduces the form of cascade control system, and analyzes its working process, structure and characteristics.

以离子膜电解槽为例，介绍了串级控制系统的形成，分析了串级控制系统的工作过程、结构及特点。

This paper presents the encryption algorithm based on elliptic curve of the basic working principles.

本文首先给出基于椭圆曲线加密算法的基本工作原理。

This paper describes the working and energy storage principle of the flywheel energy storage equipment.

简述了飞轮储能装置的工作原理和储能原理，提出了该系统的基本结构组成，并在实验和数学推导的基础上给出了其充电和放电过程的控制方案

Graf, without question, is the greatest women's player in history.

格拉芙，现在，毫无疑问是女子网坛历史上最伟大的选手。

If not, you will have to look around at all your important data.

如果没有，您将需要检查所有的重要数据。