dynamic adj. 1.动力的,动力学的;力学(上)的;动(态)的;起动的。 2.有力的,有生气的;能动的;(工作)效率高的。 3.【音乐】力度;强弱法的。 4.【医学】机能(上)的。 5.【哲学】动力论的,力本论的。 a dynamic personality 活跃的性格。 a dynamic atmosphere 生气勃勃的景象。 a dynamic population 动态人口。 n. 〔限指 dynamic〕 (原)动力;动态。 adv. -ally
theory n. 1.理论,学理,原理。 2.学说,论说 (opp. hypothesis)。 3.推测,揣度。 4.〔口语〕见解,意见。 the theory of two points 两点论。 Darwin's theory of evolution 达尔文的进化论。 theory of equations 【数学】方程论。 theory of everything 【物理学】(把相对论、量子论和宇宙大爆炸理论都包括在内的)万用理论。 theory of relativity 【物理学】相对论。 the atomic theory 原子说。 Our scheme is good both in theory and in practice. 我们的方案在理论上和实施上都是好的。 combine [separate] theory with [from] practice 理论结合[脱离]实际。 My theory is that we must bring new blood into the Institute through appointment of younger men to important positions. 我的意见是我们学院应该通过重用年轻一些的人来注入新的血液。 theory of games 博弈论,对策论,权衡利弊得失的形势分析。
Preliminary research on creep and dynamic characteristics , which are two important properties of asphalt concrete cores for embankment dams , through triaxial compression creep tests and dynamic triaxial test with the aid of the viscoelastic theory and the soil dynamics theory 本文通过三轴压缩蠕变试验和振动三轴试验,借助粘弹性理论和土动力学理论,对土石坝沥青混凝土心墙材料的两个重要性质? ?蠕变性能和动力特性进行了初步的研究。
New trade theory put the comparative advantages in a more practical and rational place . either by analyzing on the basis of imperfect competition , or by adding the factor of time to produce dynamic theory , or both , the comparative advantage theory enhances its capacity of exponent 新的贸易理论以更新、更现实的角度考察比较优势,或是以不完全竞争市场为分析基础,或是加入时间因素进行理论动态化,或两者皆有,增强了理论的解释力。
The finance will be faced with the competition severity . the tradition finance turns faster into the new finance . bring forward dynamics theory that finance turns type and development come from financial energy and financial structure the result of interaction 针对加入wto后中国金融面临激烈竞争和加速传统金融转变为新金融的实际,提出了金融转型是金融能量和金融结构的互动的结果的动力理论,并对我国金融系统的国际竞争力作了实证分析。
So , optimization of breakwater planning is of great practical value and should be resolved immediately . at first , the paper narrates the development of numerical modeling , which includes shallow water dynamics theory and method , and compares the boussinesq model and mild - slope equation model . the purpose is to select one model that best fit for wave calculation in harbor engineering 本文首先综述了波浪数值模拟的发展概况,其中包括浅水动力学的常用理论和方法,并详细比较了目前使用较多的boussinesq模型和缓坡方程模型,其目的是选择其中较为适合港区工程波浪计算的模式,并将其作为优化模型的验证或用于适应度计算。
Based on the current research achievements on durability under chloride environment , probability theory , structural reliability theory , concrete structures theory , neural network theory and structure dynamic theory are employed comprehensively in this dissertation . some problems of durability of reinforced concrete structures under chloride environment were studied through the exploitation of experimental data , the rule of chloride ingress and steel bar corrosion , the performance of corroded member , and residual life prediction . the main issues and results in this dissertation are as follows : 1 、 the probability method for the prediction of durable life based on the stipulated reliability index for concrete structures under chloride environment is presented in this dissertation 本论文在国内外对氯离子侵蚀环境下混凝土结构耐久性研究成果的基础上,综合运用概率理论、结构可靠性理论、混凝土结构理论、神经网络理论、结构动力学理论等基本理论和方法,结合实际检测数据,按照氯离子侵蚀、钢筋锈蚀、锈蚀构件性能、锈蚀构件寿命预测的思路对氯离子侵蚀环境下钢筋混凝土结构耐久寿命预测的有关问题进行了深入系统地研究,完成以下主要研究工作并取得相应成果: 1 、提出了氯离子侵蚀下基于规定可靠指标的混凝土结构耐久寿命的概率计算方法。
Under the guidance of locomotive and car dynamics theory , the model on the basis of " pioneer " emu ' s dynamic bogie is developed . using program nucars and orthogonal test method , parameters of suspension and structure are optimized comprehensively considering a variety aspects of the emu ' s dynamics performance on the basis of the actual running conditions , such as running speed , track radius , cant and track irregularities etc , in order to meet the needs of high speed running 本文在机车车辆动力学理论研究的指导下,在“先锋号”电动车组动力转向架的基础上,根据实际应用条件包括运行速度、线路半径、超高以及线路不平顺等,运用nucars软件结合正交试验法进行了多悬挂参数和结构参数方案的动力学计算,综合考虑机车车辆各方面的动力学性能,经过协调后优化该转向架的结构参数和悬挂参数,使之满足高速运行的需要。
Fourthly , with the finite element program , the author analyzes the relationship between the load magnitude or frequency and range of breakage or pore pressure . this can provide appropriate parameters for the method of vibrating grouting . fifthly , adopting the compressible porous medium , the author adduced dynamic theory of liquid saturated porous medium to analyze the displacement and force in the sand when there is dynamic load below the earth surface 基于连续介质力学的混合物理论建立的多孔介质理论和动力控制方程,假设砂土满足各向同性并处于弹性小应变状态,竖向振动力将在饱和砂土内部产生三种波,分析了这些波的弥散曲线和特征衰减曲线,从波传播的角度,研究了振动力参数和土性参数对振动范围的影响。
Secondly , this paper illustrated the nonlinear phase dynamic theory of the aia array and the application of it to power - combining and beam - scaning technique . according to these theories , the coupling parameter of nearest neighbors was found by experiment , then the two - element and three - element aia array were designed , and the result of measurement was in agree with that of the nonlinear phase dynamic theory , and the beam - scaning of two - element array was realized by tuning the free oscillation frequency of the elements 其次,本文讨论了有源集成天线阵列的非线性相位动态理论以及它在功率合成和波束扫描方面的应用,包括同步工作条件、稳定条件和相位动态方程等,通过实验确定了阵列中相邻单元间耦合参数,并将之运用于有源集成天线二元阵和三元阵的设计,实验结果与理论结果吻合较好。
By means of the orbit dynamics theory and other knowledge , author established mathematical model related to collision forecast , including space object orbit confirming model , space objects relative movement model , dangerous object distinguishing model and space object collision geometry relation model , etc . according to the mathematic model , author calculated the relative distance transformation rule along with time between the spacecraft and dangerous debris and established early warning rule 依据航天动力学理论和其他知识,建立了碰撞预警相关的数学模型,包括空间目标轨道确定数学模型、空间物体相对运动数学模型、危险物体判定准则数学模型和空间物体碰撞几何关系数学模型等,根据数学模型计算航天器和危险目标的相对距离随时间变化规律,设定了预警规则。