1)fluctuation[英][,fl?ktju'ei??n][美][,fl?kt??'e??n]波动
1.Reducing the quality fluctuation of PVC resin produced by calcium carbide method among each production batch;缩小电石法PVC树脂批次间的质量波动
2.Discussion on influence of coal quality fluctuation in coal-fired power plants;燃煤电厂煤质波动的影响与对策分析
3.Influence of load fluctuation on reaction system of LLDPE plant and its countermeasure;LLDPE装置负荷波动对反应系统的影响及措施
英文短句/例句
1.To move in waves or with a smooth, wavelike motion.波动，起伏以波或平滑像波一样的动作运动
2.The Analysis of Relationship between Stock Market Fluctuation and Bond Market Fluctuation;中国股市波动与债市波动的关系分析
3.An Analysis of the Influence of China s Policy Fluctuation Towards Economic Fluctuation;试论我国政策波动对经济波动的影响
4.Abnormal fluctuation and the volatility term structure of the forward exchange rate远期汇率的异常波动与波动期限结构
5.Cash Flow Volatility, Earning Volatility and Firm Value现金流波动性、盈余波动性与企业价值
6.Waves are related to oscillating systems.波动与振动系统有关。
7.to extend, wave or float outward, as if in the wind.向外地延伸，波动或浮动。
8.The Impact of Liquidity Fluctuation on Price Fluctuation of Stock Market流动性波动对证券市场价格波动的影响
9.Stock price forecasting model based on wave principle and clustering energy values of wavelet pocket;基于波浪理论和聚类小波包的股价波动预测
10.Shot function and wave impedance inversion via 1D ware equation一维波动方程震源函数与波阻抗反演
11.Study on the Wavelet and Frequency Domain Methods of Financial Volatility Analysis;金融波动分析的小波和频域方法研究
12.Surface-Related Multiple Attenuation Based on Wave Equation;基于波动方程的自由界面多次波压制
13.Research of Multiple Attenuation Method Based on Wave Equation;基于波动方程的多次波压制方法研究
14.Impact of Planetary Wave on the Stratospheric Residual Circulation行星波波动对平流层剩余环流的影响
15.All-dip finite-difference wave-equation migration using wave-field continuation along upgoing wavefront波场沿上行波波前延拓的全倾角有限差分法波动方程偏移
16.Don't see the cartoon yet, Bo-Bo.别再看动画片，波波。
17.single vibration of sound,light,electric current,etc（声波、光波、电流等的）一次脉动
18.Time-Frequency Distribution of Acoustic and Vibration Signals Based on Harmonic Wavelet Transformation噪声和振动信号的谐波小波时频表示
相关短句/例句
volatility[英][,v?l?'tiliti][美][,vɑl?'t?l?t?]波动
1.Comparison of the Price Volatility between Sino-US Soybean Futures;中美大豆期货价格波动特征比较
2.RMB s Volatility:Measurement and International Comparison;人民币汇率波动:测算及国际比较
3.Long-term Memory in Stock Returns and Volatility: A Multi-national Evidence from V/S Statistic;股市收益和波动性长期记忆的国际比较——基于V/S的经验证据
3)wave[英][weiv][美][wev]波动
1.Sand-dune Q absorption compensation based on 1-D elastic damping wave theory;基于一维弹性阻尼波动理论的沙丘Q吸收补偿
2.The wave characteristic and axial clearance between static state and dynamic state about the screw displacement pump;螺旋类容积泵的“波动特性”与动静态间隙
3.Analysis of continuous spectrum wave packet in rotational-stratification two-dimension ocean;旋转层化二维海洋波动连续谱的波包特征分析
4)Wave motion波动
1.It is shown that the viscous-spring artificial boundary adopted this method has high precision,and the method can be used in analysis of wave motion problem easily.探讨利用AD INA的弹簧阻尼单元模拟黏弹性人工边界的方法,并进行了均匀半空间算例与成层半空间的计算,验正了采用的黏弹性人工边界具有较高的精度,可以方便的应用于波动问题的模拟解析,从而可以有效地分析结构—地基的动力相互作用问题。
2.Three-dimensional visco-elastic artificial boundaries in time domain are developed by means of theory of elastic wave motion in this paper.应用弹性波动理论,发展了实现波动直接模拟的三维时域粘弹性人工边界。
3.It is shown that the effects of the distortion of finite elements on wave motion are significant , great distortions of the element shapes will cause a complete distortion in the simulation of wave motion, the velocity of wave propagation in lumped-mass finite element discrete models is not always less than that in contin.结果表明单元畸变对波动规律影响显著,当单元畸变较小时,单元畸变对波动传播并不产生明显的不利影响,当单元畸变较大时,这一影响不可忽略。
5)fluctuate[英]['fl?kt?ue?t][美]['fl?kt?u'et]波动
1.Based on the basic principles of fluid mechanics, and through reasonable assumptions and simplification, mathematical models of films flow fluctuate and break up have been set up respectively, and then simulated by comp.水膜的流动波动及破碎问题，在热能工程、能源等诸多工业设备中广泛存在，发展和完善研究水膜流动波动破碎的方法是揭示其特性的关键。
2.The relationship is exist between the real estate investment fluctuate and urbanization.房地产投资波动与城市化之间存在关联性。
6)undulation[英][,?ndju'le??n][美]['?nd??'le??n]波动
1.Analyzing the reasons of the pure argon column undulation.分析精氩塔内压力波动的原因,并采取相应的处理措施,使精氩塔正常生产。
2.The fish is propelled by undulations of a long-based dorsal fin while the body axis is in many cases held straight in swimming.以依靠长背鳍推进的“尼罗河魔鬼”为研究对象,对柔性长鳍波动推进模式的运动学进行了研究。
3.And from the industry policy,the industry structure and the economic growth mode transformation,the reason and specialty of the undulation of the energy supply-demand and the energy consumption structure is analyzed.本文从我国近20年来能源产业产品供需量和消费结构的状况着手,研究了能源供需量波动和消费结构变化的特性,并从产业政策、产业结构和经济增长方式演变的角度重点分析了供需量波动和消费结构变化的原因和特点,在此基础上,分析了我国近年能源短缺的原因和解决办法。
延伸阅读
波动波动Wave motion 7以V V(18)声源的声辐射作出数学描述。在这种情形下，声波从声源向四周扩散，其波阵面总是呈球面。式(24)右端的算子可写成球坐标形式。 假设在所有方向上辐射都是相同的，则在球坐标系中，一维波动方程可写成 一一dP一尸其中尸是气体的总压，y是气体定压比热与定容比热之比。令P与V由式(19)确定: 尸~尸。+P， V=Vo+r，(19)刁ZP。2 aP_1日ZP二尸下，厅—二丁一一一百二一万。k乙O/Jr‘r dr“dt‘其中P与r是随时间变化的量，值。如果不等式(20)成立: p《尸。， r《Vo，则方程(2l)成立:而尸。与V。是平衡通过微分可以证明，式(28)也可以写成刁2(Pr) a tZ_:2型业丝 沙r‘(29)(20)了口rVo日t。(21)些叔1一P0为满足质量守恒定律，可写出 r=Vodiv歹，(22)其中泞是盒的平均位移矢量。 式(22)对t求微分，然后代人式(21)，得aP_，DJ:___，又万一一I诬ouiv甘。口L(23)从式(17)与(23)消去q，可得波动方程a ZP__:。2-下下一‘V尸，口i一(24)式中按定义有产一y尸。/P。。(25) 一维平面波设在介质中可取出一族平行平面，其中任意一个平面上，各点压强相等，且各点速度大小相等方向相同，那末这一声波就称为平面波勺 由于P与q在任一波阵面上都是常量，它们对y或z的偏导数必须等于零，所以在式(23)中有 式(29)与式(27)有着相同的形式。因此，同样形式的解对二者都适用，只不过在一个情形下因变量是P(x，t)，而在另一个情形下的因变量是Pr(r，t)。 式(29)对应于单独一个向外移动的波(自由空间)的解可由式(30)给出: ，一告Fl(一‘)。(3。)注意，和平面波一样，波动在传播中形状不变。但是，声压的大小与距离成反比，因为在传播过程中波不断扩展。
