振荡

In the first part of the paper, the light source and its light output measurements are described. The second part is concerned with some investigations of ruby and Nd-doped glass lasers, pumped with electrodeless discharge tubes.

文章的前一部分包括光源的装置及特性的测量等，第二部分的内容为利用这种光源作红宝石与钕玻璃激光器的激发光源时，对于激光器的光输出特性的研究结果，其中包括阈值的测定，尖峯的观察、单模振荡和规则的阻尼振荡等。

KEY WORDS Meridians; Energy and Information System; Electromagnetic and Chemical Oscillation; Quantum Characteristic

经络的载体是人体的物质系统，经络运行除有神经、体液、微循环和化学因子等参与外，尚须依托以电磁振荡与化学振荡为主导的能量信息系统。

A relative stable circular current of electromagnetic and chemical oscillation along the low electric resistance pathway was found.

发现沿低阻通道传输的相对稳定的电磁振荡及电化学振荡循行流。

The self-excited oscillation imposes a profound influence on turbulent mixing process: i.e., it not only enhances large-scale engulfment or entrainment but also simultaneously decreases the molecular mixing rate.

射流振荡对近场和远场的湍流混合过程都具有重要影响。自激振荡射流能增强宏观上的大尺度搅动，但同时却减弱了微观上的小尺度混合。

The fidelities of the system surge periodically from 0 to 1 for the etceteras Bell state at original time when average photon number of two-mode entangled coherent states cavity fields are very small.

对于好腔，若原子初始时刻处于相干保持态，系统保真度呈指数单调衰减；若原子初始时刻处于其余Bell态之一，系统保真度呈指数振荡衰减，且随着腔场初态的平均光子数的增加，系统保真度的振荡频率增大，振幅减小。

In order to improve the reliability of the nuclear Generating Sets and the stabilization of the power system, prevent the long time low frequency oscillation caused by the disturbed of the outside electrical net, assured improving the stabilization margin of the nuclear generating sets in the precondition of enough transient stability, validate the sensitivity of the parameter to the damping of Generating Sets of the MEC5220 digital excitation adjustor produce in Japan that used in the Second Project of Qinshan Nuclear Power Plant, confirm the parameter rationality of the digital excitation adjustor, optimize the parameter of PSS, in this paper, we put up a in-depth study to the principle of MEC5220 digital adjustor produce in Japan by the PSS/E software that develop by the PTI Company in the USA, completed the modeling of the excitation adjustor, PSS, generator, excitor, described the performance of this excitation adjustor, analyzed the essential reason that caused the low frequency oscillation, illuminated the factor that influence the damping characteristic of the MEC5220 digital excitation adjustor. Based on model and emulate, this paper optimized the primary parameter of the excitation adjustor, make a reasonable regulation to the PSS parameter.

为提高核电机组的运行可靠性和接入系统的安全稳定性，防止在外电网的干扰下核电机组发生长时间的低频振荡，保证机组在暂态稳定的前提下提高其稳定裕度，验证秦山核电二期核电机组所配日产MEC5220型数字式励磁调节器参数对机组阻尼的灵敏性，确定数字式励磁调节器的参数的合理性，优化PSS整定参数，本文利用美国PTI公司研发的PSS／E软件对日产MEC5220型数字调节器的原理进行进行了深入细化的研究，完成了励磁调节器、PSS、发电机、励磁机的建模，描述了该型励磁调节器的性能，分析了产生低频振荡的根本原因，阐明了影响阻尼特性的因素。

The machine is equipped with two flapper box oscillation can always remove the oscillations of different sizes for storing bottles, to meet different customer needs.

本机在振荡箱中装有两块插板，能随时取出可供存放大小不同的振荡瓶，满足不同客户需要。

The machine is equipped with two Flashboard oscillation box can be removed at any time in which to store different sizes of the oscillation bottles, to meet different customer needs.

本机在振荡箱中装有两块插板，能随时取出可供存放大小不同的振荡瓶，满足不同客户需要。

Power System forced power oscillation is a kind of low frequency oscillation caused by persistent periodic small disturbance.

电力系统强迫功率振荡为持续的周期性小扰动所引起低频振荡现象。

A non-autonomous electric circuit consist of self-oscillation and forced oscillation.

一个非自治电路包含有自激振荡和强迫振荡两个成分。

I am sure after a few weeks of adaptation and familiarization I will have no difficulty in functioning on a daily basis in an English speaking society or in participating fully in graduate studies.

在大学的三年的学习生活不仅给予我自身的充实，更重要的是磨练和培养了我较强的自觉能力和严谨，踏实的作风以及不怕困难的精神，对未来充满了信心！

As the first volcanoes erupted, one of the gases that bellowed out was steam.

在第一批火山喷发时，喷出的气体之一就是水蒸汽。