谐振

The idea is inspired by a simple scientific instrument called harmonograph.

作品的灵感源自维多利亚时期流行的一个科学仪器「谐振记录仪」。

By means of numerical analysis, the parameters of the performance of the heat engine cycle are optimized.

通过数值解，对谐振子系统布雷顿热机循环的性能参数进行了优化分析。

Hemispherical shell resonator is the key component of HRG.

半球壳是新型半球谐振陀螺的敏感部件。

By use of the relationships between the hermite polynomial and the laguerre polynomial, the eigenequations of one-dimensional harmonic oscillator and hydrogen atom are conversed into the same equations in form.

同时本文利用SU(1，1)代数将二维、三维情况下的谐振子同加了反平方势的氢原子分别表示成具有相同形式的两算符下的本征值方程，从而得出

Two ignition methods of kerosene/oxygen igniter, direct ignition and indirect ignition, were discussed.

提出了两种应用气动谐振的气氧煤油点火器方案：直接点火方案和间接点火方案。

It is proved by the analytical and numerical method that the modulus of the Z transform of a finite impulse response sequence has no extreme values at poles (with maximums along imaginary axis and no extreme values along real axis), and the negative second order derivative of the modulus normalized along frequency axis with respect to angular frequency has maximums at the poles.

根据实测瞬态电磁脉冲响应，较好地反演了导体球和导体长椭球的冲激响应，测得了它们的雷达截面和谐振频率。用解析与数值相结合的方法证明了有限冲激响应序列Z变换的模在极点无极值（沿虚轴有极大值，沿实轴无极值），而沿频率轴的归一化值对角频率的负二阶导数在极点有极大值。

The numerical results of the resonant frequency and the input impedance are in good agreement with the experimental data.

结果表明，谐振频率与输入阻抗的计算结果与实验数据符合较好。

By altering the parameters of laser resonator,the high-brightness laser was obtained and applied to incise the electric film of the thin-film solar cell.

通过改善激光谐振腔的参数，实现了高亮度激光输出；利用该激光束，对薄膜太阳电池的导电膜进行了切割试验。

Described as a hardness testing practice using a calibrated instrument by pressing a resonating rod with a Vickers style Diamond indentor with a fixed force against the surface of the part to be tested.

硬度测试方法如下：使用经过校准的仪器，用 Vickers 型金刚石压头以恒力将谐振杆压向待测件表面。

There are some problems or indistinctness in some textbooks, so students often make mistake s in understanding and experiment.

RLC串联谐振电路是电工学的基本电路之一，由于一些教材或讲义存在问题或讲述不清，使学生常常会在实验时出现一些错误，导致实验结果不正确或不准确，严重时还将造成仪器设备和实验电路的损坏。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷