在应用直接法和摄动法进行灵敏度分析时，使振动方程与灵敏度方程具有相同的固有特性而产生长期项。
The natural characteristics are the same for vibration and sensitivity equations when direct method and perturbation method are used for sensitivity analysis.
工程建设对房屋建筑的振动影响和破坏的测试鉴定是当今城市建设中一项迫切需要开展而又具有重要意义的工作。
Measurement and appraisal of the vibration influence and destruction of engineering construction upon multi-storied building are urgent and important work in present city construction.
验证了振动势能项将以与平动、振动、转动各自由度一样的权重分配分子能量的理论；
We verify the theory of same weight for distribution in molecular energy about the term of vibrational potential as well as various degrees of freedom of the molecules.
研究了具有三次非线性项的多阶梯梁的振动。
Vibrations of multiple stepped beams with cubic nonlinearities were considered.
本文研究了用与受迫力谐波共振的周期摄动抑制含二次非线性项受迫振动系统中的混沌。
In this paper, suppression of chaos in a forced vibration system with a square term by resonant periodic perturbations is studied.
负荷率K是描述人体承受机械振动的一项重要参数，也用作定量控制的一种标准。
The load rate K is an important Parameter in describing the mechanical vibration on human body. It is also used as a quantitative control criterion.
主动消振技术是一项振动理论与现代控制理论相结合而产生的新技术。
The active vibration compensating technology is a new technology, which combines vibration theory and modern control method.
本文讨论振动技术在可靠性工程中的两项最新应用，即随机振动应力筛选和振动故障诊断。
This paper discusses two new applications of vibration techniques in reliability engineering: random vibration stress screening and vibration fault diagnosis.
“幻觉振动综合症”不见得有害，在针对大学生的一项调查中，超过90%的受访者认为这“仅有一点儿”或者“根本不”让自己烦恼。
Phantom vibration syndrome isn't really harmful — in the study of college students, more than 90 percent said they considered phantom vibrations to be "only a little" or "not at all" bothersome.
利用机械作动器进行主动消振是船舶振动控制领域的一项新技术。
Active vibration attenuation using mechanical actuator is a new technique in ship vibration control field.
所以研究和制造大型振动筛，提升设计水平，提高振动筛的运行可靠性已成为一项重要的研究课题。
Thus it is an important research subject to design large vibrating screenings, raise the design level and improve working reliability and service life of vibrating screenings.
本文建立了具有阻尼项的高阶微分方程新的振动定理。
This paper obtains a new oscillation theorem of high-order differential equation with damping.
追踪瞄准纸笔测试中，两振动暴露组与对照组比较，两项打点数之和及打点速度均显著降低。
Comparing with control group, the total number of right and wrong pointing, pointing speed in pursuit aiming test were significantly lower(P<0.05) after vibration.
汽轮发电机的转子轴振动信号数据是监测设备安全运行的一项重要技术指标。
The data of shaft vibration of turbo-generator is an important techno-index to safety running.
机脚振动级是评价机械设备振动特性的一项重要指标，是低噪声机械设备研制和验收的重要检测项目。
The seat vibration level is important for evaluation of the machinery quality in the research and development(R&D) of the low noise machine.
借助一个重要的不等式研究一类带有强迫项的时滞差分方程的振动性，并推广至高阶的情形。
An important inequality is used to establish some criteria for the oscillation of forced difference equation and it is generalized to higher order.
低频振动采油技术已成为一项重要的物理增产、增注措施，但其理论研究水平目前还相对滞后于现场应用。
LF vibration oil recovery has become an important physical stimulation method, but its theoretical study is lagging behind field application.
二维平行壁面剪切流动进入混沌的现象可用含二次非线性项的强迫振动方程来描述。
The bifurcation and chaotic process of two-dimensional parallel wall shear flows are described by the forced oscillation equation containing a square nonlinear term.
研究含外力和阻尼项一类梁的横振动方程解的率减率。
We study the decay rate of solutions of beam equations with damping and external force.
差分方程隐式部分采用了LU- SGS方法以避免矩阵运算，对化学反应和振动能量源项采用预处理矩阵以解决刚性问题。
The LU-SGS method is used in implicit part of the difference scheme to avoid matrix operations. The preconditioning technique is used for solving stiffness problem.
以铁路高桥墩为研究对象 ，导出了计轴力及内力素方向改变所致非线性项的高桥墩振动偏微分方程。
The nonlinear partial differential equations for the tall pier vibration of railway bridges are derived by taking the influence of geometric nonlinearity into consideration, i.
结构振动和噪声控制对于民船和军船都是一项十分重要的研究课题。
The noise and vibration control is a major research subject in civil and military fields.
阶比分析技术是旋转机械振动信号分析和故障诊断的一项重要技术。
Order analysis is one of the most important techniques of rotating machinery involving vibration signal processing and fault diagnosis.
用MLP方法求解一类同时具有二次和三次项的强非线性系统的自由振动问题，得到其二级近似解。
The Solutions of a kind of strongly nonlinear system with quadratic and cubic nonlinearities are derived by means of the MLP method, and its second order approximate solutions are obtained.
爱因斯坦在1905年提出狭义相对论时，驳斥了一项19世纪的观点：光波是由一种假想介质“太”振动而产生的。
When Albert Einstein proposed his special theory of relativity in1905, he rejected the19 th-century idea that light arises from vibrations of a hypothetical medium, the "ether."
爱因斯坦在1905年提出狭义相对论时，驳斥了一项19世纪的观点：光波是由一种假想介质“太”振动而产生的。
When Albert Einstein proposed his special theory of relativity in1905, he rejected the19 th-century idea that light arises from vibrations of a hypothetical medium, the "ether."
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