查询词典 variable-density system

For the relativistic holonomic nonconservative system, a new Lie symmetrical non-Noether conserved quantity is given under general infinitesimal transformations of groups in which time is variable.

[1]浙江理工大学数学力学与数学物理研究所，杭州310018 [2]辽宁大学物理系，沈阳110036 [3]北京理工大学理学院，北京100081研究非完整力学系统的形式不变性导致的非Noether守恒量——Hojman守恒量。

With electronic control, this system can have a function of variable valve timing by rotating hydraulically driven intake and exhaust valve sleeves slightly.

通过电子控制技术，对本机构的液压阀套的角度微调，就能达到可变气门正时。

The whole ticket hall is a roofing frame system of hyperbolic variable cross-section steel truss and monolayer steel net shell.

整个出发办票大厅为60米跨双曲变截面空间钢桁架和候机指廊，连廊的无拉杆相贯线单层钢网壳的屋面结构体系。

In order to improve engine performance and power improvement, and improve the combustion engine emissions, so the development of the ignition point of the variable digital electronic ignition system.

为了提高引擎的效能与动力的提升、和改善引擎燃烧所排放的废气，所以开发出可变式点火角度的数位式电子点火系统。

For details, please refer to step 2, the diverse tools and table 1: such as graphic designers in design, typesetting and working with graphics and the software used in the image, and table 2: support V series system variable data color multifunction business card printing and membership card making software functionality.

详情请参看步骤2，《认识各类工具》以及表1：图文设计师在设计、排版和处理图形和图像中使用的软件列表，以及表2：支持V系列系统的可变数据彩色数码制卡和会员卡制作功能的系列软件。

Art is an open and mobile system with variable meaning, for there's no immobility in the rules of art.

艺术是一个开放的、流动的体系，艺术的含义是变化的，没有固定不变的艺术规则。

Induction motors based on variable frequency speed adjustment system arewidely applied in industrial fields and daily life.

感应电机变频调速系统在工业领域和日常生活中得到了广泛了应用。

The stability and security of system, especially the question of induction machine-constant pressure variable pump/motor running reversibly in second quadrant is analyzed.

对该方案的稳态性能及安全性问题进行了分析，尤其对三相异步电动机与恒压变量泵/马达元件的第二象限运行问题做了研究，证明了该系统的可行性。

Expounds the working principles of variable induction controlling system and shows that VICS can solve the contradiction between engine power and fuel economization.

阐述了可变进气系统可以解决提高发动机动力性和改善经济性之间的矛盾。

This paper develops an full digital induction motor vector control platform based on DSP which is related to the subject of Natural Science Fund of Hunan Province "The Research on the System of High Peformance Intelligentized Induction Motor Variable Frequency Speed Regulating", and presents the software and hardware design scheme.

本论文结合湖南省自然科学基金项目"高性能智能化感应电机变频调速系统研究"，开发出基于DSP的全数字感应电机控制实验平台，并给出了该系统的软硬件设计方案。

The reasons of iron ions content overproof in grade Ⅱ desalting water system,such as variation water quality,contamination of regenerant , operation adjustment of pretreatment system and switching operation of bed were discussed.

对二级脱盐水系统中铁离子含量超标的原因，如来水水质发生波动、再生剂受到污染、预处理系统操作调整、床体运行切换等进行了论述。

You were hired to drum up new business, so go and do it.

公司雇你招徕新业务，你就做你的事好了。