The trees formed such a dense canopy that all beneath was a deep carpet of pine-needles. 树冠浓密,覆盖着厚厚一层松针。
An existence theorem of periodic solutions was obtained for non-autonomous second order systems with sub-additive potential by using the least action principle. 通过使用最小作用原理,对于具有次可加位势的非自治二阶系统,获得了一个周期解的存在性定理。
Research on establishing analogue relationship by using minimum action principle 利用最小作用量原理建立比拟关系的研究
Ear acupuncture point buries needle therapeutics, its action principle and acupuncture treatment are basic and same, it is the method that adopts point of exciting human body, will adjust dietary habit and endocrine function to wait. 耳穴埋针疗法,其作用原理与针刺疗法基本一样,都是通过刺激人体穴位的方法,来调整饮食习惯及内分泌功能等。
Action Principle of Oxygen Sensor and Preparation of Its Solid Electrolyte 氧传感器作用原理及其固体电解质的制备
The guaranteeing system of library operation based on knowledge management means the structure, the function and their action principle and action process which guarantee library operation based on knowledge management. 摘要基于知识管理的图书馆运行保障机制是指基于知识管理的图书馆运行保障的结构、功能及其作用原理与作用过程。
The article introduces the action principle, basic structure, key working procedure, technological control and manufacture acceptance. 介绍关节型道岔的动作原理、基本结构、关键工序工艺控制及制造验收。
Periodic Solutions of Some Lagrange Systems Based on Least Action Principle 基于极小作用原理的Lagrange系统周期解的存在性
Common Filtration-aiding Kinds and Its Action Principle in the Coal Preparation Industry 洗涤剂用助剂与辅助剂选煤工业中常见助滤剂种类及其应用
The Study on Action Principle of Environmental Protection Investment on National Economy and the Contribution Models 环保投资对国民经济的作用机理与贡献度模型研究
The action principle of FAE and its characteristics were anatomized combined with the developing course of FAE and its weapons, the functions and the localizations of FAE weapons were explained, and the advices for the development of FAE and its weapons were proposed. 结合FAE及其武器的发展历程,剖析了FAE的作用原理、特征,阐述了FAE武器的功能和局限,并对其发展提出了建议。
Based on the work [ 1] and [ 2], we obtained dynamical equations and relativistic dynamical equation by means of cohomology theory very concisely, and proved least action principle is not a priori necessary. 在参考文献[1]和[2]的基础上,我们利用上同调理论很简捷地得到了相对论和非相对论质点动力学方程,并探讨了最小作用量原理是不必先验地提出来的。
The article reviews appearances, developments, novel researches and applications of inorganic membrane reactors, action principle of various inorganic membrane and inorganic membrane reactors with particular emphasis on their applications in high temperature gas phase reactions. 综述了无机膜反应器的出现、发展、最新研究和应用,介绍了各种无机膜和无机膜反应器的类型和作用,着重强调了无机膜反应器在高温气相反应中的应用。
In this paper, the action principle of the technology is analysed. 本文分析了铸件浸渗技术的作用原理。
The action principle and the structure of the divided compressor driven by the linear motor are introduced, and its kinematic character is analyzed in the theory, the kinematic equations of the ideal condition are deduced, and the numeric solution is done. 介绍了直线电机驱动的分体式压缩机的结构及动作原理,并从理论上分析了它的动力学特性,推导了理想条件下活塞的动力学方程,并作了数值求解。
Action principle that combines the efforts on happiness with one's own behavior. 行动原则,即人们追求幸福的努力与修养自己的品德相结合。
Analysis on Action Principle of Fiber in Concrete 纤维在混凝土中作用原理浅析
The action principle, control rule and control strategy of VQC are discussed. 讨论了VQC动作原理、控制原则、控制策略。
In this paper the author adopts some reasonable assumptions and then analyses the action principle of this controller and its characteristics in detail, demonstrating that it is nonlinear in its proportional and integral and derivative actions. 本文采取比较合理的假设,对这种调节器的工作原理和特性作了详细的分析,证明了不管在比例作用,还是在积分作用和微分作用方面,其特性都是非线的。
According to the character, action principle of supersonic the authors use the specially made supersonic launcher, use orthotropic test design method and carry on crude dehydration test work in many sides. 根据超声波的性质和作用原理,采用特制的超声波发射议,用正交试验设计法,进行了多方面原油脱水试验工作。
The least Action principle went through a long development process from a vague idea to basic principle in physics. 最小作用量原理从一开始的朦胧、模糊的观念到定量化的具有完美数学表达式的物理学基本原理,经历了漫长的发展演变过程,已成为物理学中最具有概括性的原理。
The concept of smooth blasting and the tube charge are summarized in this paper, the requirements of smooth blasting, the performance characteristic and the action principle of tube charge are analyzed. 文章概述了光面爆破和爆裂管的概念,从实施光面爆破的要求和爆裂管的性能特征及作用原理进行了分析。
Character and action principle of steel cylindrical structure is presented in this paper, which is first applied successfully in wharf and breakwater foundation taking place of rubble bed. 结合钢箱筒结构取代抛石基床作为码头和防波堤基础首次在工程中成功应用的实践,论述了钢箱筒结构特点和作用机理。
The structure and action principle of the tunnel shotcreting robot are described in this paper Design principle, working control methods and measures of energy saving are introduced about the hydraulic system. 阐述了隧道喷浆机器人的结构和动作原理,介绍了液压系统的设计原理、工作控制方式及采取的节能措施,以及采用CAD软件设计液压集成块的优越性。
On the least action principle 对最小作用量原理的一些思考
The structure, action principle, function and property of the automatic water screen equipment were introduced. 文章介绍了自动水幕的结构,工作原理,作用和特点。
The study also focuses on action principle of color design and how to control them effectively. 这部分对色彩设计的作用原理和如何有效地控制它们做了仔细地研究。
To meet the practical work needs of the substation, the various functions of the remote control anti-misoperation locking system are analyzed, and the system frame is given, and the main connection of system and action principle is established. 为满足电网变电站远方控制实际工作需要,对遥控防误闭锁系统所需具备的各种功能进行了分析,给出了系统框图,确定了系统的主要接线及其动作原理。
It mainly introduces the concept of options and classification, stock options 'concept, features, implementation of the basic processes, action principle and the importance of the need for companies to introduce stock options. 主要介绍期权的概念、分类,股票期权的概念、特点、实现的基本流程、作用原理和上市公司引进股票期权的必要性,并重点分析研究了股票期权的理论基础。
Environment-protection vacuum electrostatic coating technology have gradually developed, which combining of vacuum and electrostatic action principle. 环保真空静电涂装是一项新技术,结合了真空与静电的作用原理。