谐振的

Then we use IEEE First Benchmark system model and the 500kV system which contain 500MW and 600MW turbo-machines, as typical examples, the shaft systems without exciter in these examples are also analyzed on its impact on torsional oscillation.

首先对采用静止励磁方式的汽轮发电机轴系建模进行了说明；然后以IEEE次同步谐振标准模型和东北电网中伊敏电厂计划安装的500MW和600MW汽轮发电机组为典型算例，研究了改用静止励磁方式对轴系扭振的影响。

Chapter 2 discusses the aperture couple theory which is very useful to resonant systems. The uniqueness theorem of electromagnetic fields in lossless regions and the formulation of equivalant principles are presented.

第二章利用等效原理和并矢格林函数研究了谐振系统常用的耦合方式孔耦合的一般理论和小孔耦合的偶极子模型。

In order to solve exactly the dynamic problems of the double coordinate coupling harmonic oscillators, the quantum unitary operator corresponding with classical canonical transformation is derived using the momentum eigenvector in Fock representation by constructing asymmetric integration.

为了精确求解双模坐标耦合谐振子体系的动力学问题，利用动量本征矢在Fock表象中的表示构造不对称积分，找到了与经典正则变换对应的量子么正算符。

For two individuals to experience the same event they have to share the same portion of the vibratory spectrum.

两个不同的人如果要经历同样的事件，他们就需要有相同的谐振谱。

Because of the temperature rising of ultrasonic motors, load changes, and vicinal surrounding changes and so on, the resonant frequency will shift, leading to working stability drop.

由于超声波电机的温升、负载变化及周围环境变化等原因，使电机的谐振频率发生漂移，这将影响超声波电机运行的稳定性。

In the chapter 6, in order to demonstrating theoretical analysis and the numerical results, the planar whispering gallery modes dielectric resontors for Ka-band are designed and made. Experimental study is detailed reported.

第六章在以上理论研究的基础上设计和试制了Ka波段的平面边廊模介质谐振器，并对其进行了详细的实验研究，所得实验结果与理论分析、计算结果相一致。

In circuits containing windings such as reactor s with iron cores a condition known as ferroresonance is possible.

在有绕组的电路中如有铁芯的电抗器，出现铁磁谐振是有可能的。

In circuits containing windings such as reactors with iron cores a condition known as ferroresonance is possible.

在有绕组的电路中如有铁芯的电抗器，出现铁磁谐振是有可能的。

By using a multiple scales method,we study the lattice vibration of a monoatomic chain taking into account the nearest neighbour and the second next nearest neighbour harmonic and anharmonic interactions.

利用多重尺度法，研究了谐振、非谐的近邻和次近邻相互作用下单原子链的晶格振动行为，发现非传播孤子在单原子链Brillouin区的任何位置均有可能存在。

In chaPter 2, thesemethods are emPloyed to inveStigate the wave motive equation of amonatomic chain Wth second nearest-neighbor harmonic andquartic anharmonic interactions get a new linear dispersion relation.

第二章研究了涉及次近邻谐振和四次非谐相互作用下的单原子链中的波动问题，得到了新的色散关系。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。