振荡的

Therefore, the multi-stage interaction structures with losses and severed structure were more stability for absolute instability and gyrotron backward oscillations. This study presents a nonlinear analysis of typical oscillations, including absolute instability, gyrotron backward oscillation and reflective oscillation. The multi-stage gyro-TWT seem to increase effectively the start-oscillation currents of the absolute instability, gyro-BWO, and reflection oscillation.

所以在本研究分析中，藉由了解磁旋行波放大器中的自发振荡物理原因及特性，将有助於高功率放大器的设计，并且引用非线性程式进行磁旋行波放大器稳定分析，并且采用兼具隔离管及散布式损耗结构的磁旋行波放大器，同时提升绝对不稳定、磁旋返波振荡及反射振荡的稳定性能有效提升磁旋行波放大器输出功率和频宽。

Considered the characteristics of extreme nonlinearity and random for power drive systems, several novel control strategies as following for the nonlinear coupled oscillation are studied this thesis.

考虑耦合振荡的高度非线性、随机性等特点，本文研究了以下几种新型振荡控制策略：根据适应控制的思路，本文提出了反振荡适应控制方案，用电气控制手段解决机械及建筑结构的振动问题。

E. , the fundamental cause of nonlinear coupled oscillation is the results of the interaction between the several nonlinear factors existing inside the motor, as well ws the mechanical drive, and the converter control system with discrete-sample and modulation.

本文依据理论分析、实验及现场测试研究，详细地分析了电力传动系统中存在的非线性耦合振荡现象，基本弄清了此类非线性耦合振荡的机理，即：电机内部非线性及机械拖动部分存在的多种非线性因素与具有离散采样和调制非线性特性的变流器控制系统之间的相互作用是造成系统非线性耦合振荡的根本原因。

Stationary and nonstationsary coupled oscillation regions are located over the western and eastern Pacific, respectively Thus, the interdacadal variations for intensity and period of these coupled interannual oscillations are closely related to PDO

西太平洋地区海温的耦合振荡作用区域是时间稳定的，而东太平洋地区海温的耦合振荡作用区域存在时变性因此PDO对夏季江淮地区降水和太平洋海温年际藕合振荡的强度和周期的年代际变化有重要影响。

The fundamental theory of forced power oscillation in power system is explained by a single-machine infinite-bus power system model.

以单机无穷大系统模型为基础，阐述了电力系统强迫功率振荡的基础理论，分析了影响电力系统强迫功率振荡的主要因素，并对单机无穷大系统的强迫功率振荡进行了仿真验证。

The resultant audible frequency when two sources of unequal undamped electrical oscillations of constant amplitude act simultaneously in the same circuit.

振幅为常量的非平衡无衰减电子振荡的两个振荡源在同一电路中同步振荡时产生的音频。

The Mn(superscript 2+)-BrO(superscript - subscript 3)-H(superscript +)-Act oscillating systems of Chinese traditional medicine compounds (Siwu Decoction and Windflower Decoction) are studied at different concentrations and different temperatures by TAM Air 8-channel calorimeter.

用微量量热法对中药复方四物汤和白头翁汤的Mn(上标 2+)-BrO3-H-Act振荡体系进行了研究，得到了四物汤和白头翁汤分别在不同浓度、不同温度下的振荡谱图和310K时体系发生振荡的浓度范围。

The Mn~(2+)-BrO~-_3-H~+-Act oscillating systems of Chinese traditional medicine compounds(Siwu Decoction and Windflower Decoction ) are studied at different concentrations and different temperatures by TAM Air 8-channel calorimeter.

用微量量热法对中药复方四物汤和白头翁汤的Mn2+-BrO3--H+-Act振荡体系进行了研究，得到了四物汤和白头翁汤分别在不同浓度、不同温度下的振荡谱图和310 K时体系发生振荡的浓度范围。

By applying electromagnetic vibration on solidification front of Sn-10Pb alloy,creation of equiaxed grain zone in ...

在低强度电磁振荡条件下，凝固组织细化和等轴晶化的原因是：电磁振荡力对金属初生晶的周期性拉伸、压缩、剪切、折弯、扭转等机械作用，使其出现断裂和剥落，增加形核数量；电磁振荡的局部搅拌作用使固/液界面前沿的温度和成分趋于均匀化，导致梯度降低，抑制了柱状晶的生长。

In 2Ca2+-containing extracellular solution, the applications of caffeine (1 mmol/L, 10 mmol/L, or 40 mmol/L) always block their spontaneous oscillation. To silent cells,caffeine often leads to calcium transients or calcium oscillation.

实验结果表明，在2 Ca2+外液中，咖啡因(1 mmol/L， 10 mmol/L， 40 mmol/L)对细胞的自发振荡表现出明显的抑制作用；对不表现自发振荡的细胞，咖啡因能引起钙浓度的升高或钙振荡。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。