frequency ratio的例句大全

PS has many unique properties such as enormous intermal surface, high resistance ratio, high chemical activity, etc. PS has been developed in many application fields including optoelectronics, thermoelectric materials, sensor, microwave/ radio frequency microelectronics, biomedicine, etc.

多孔硅由于具有大的比表面、高电阻率、高化学活性等性能，在光电子、热电材料、传感器、微波/射频微电子学、和生物医学等许多领域获得了广泛的应用。

The relation between the threshold and the ratio of the lowest resonance frequency to the end vibrating frequency is also discussed in the report.

文中还讨论了阈值同共振腔最低阶共振频率与壁振动频率之比的关系。

The time frequency difference between grain noise and defect signal provide a possibility for enhancement of signal-to-noise ratio ( SNR) in ultrasonic testing.

晶粒噪声和缺陷信号的时频特征的差异，为提高超声检测的信噪比提供了可能。

The influence on specific capacitance of current frequency, current density, pretreatment time, solution temperature and the ratio of cAl3+/ cH+ is analyzed.

具体分析了预处理矩形波交流电电流频率f、电流密度J、处理时间t、处理温度θ以及cAl3+/cH+值对比电容量C的影响。

The natural frequency and damping ratio are the main parameters affecting frequency response errors. Transient response errors are related to the product of natural frequency and the rising edge time of the measured thrust.

固有频率和阻尼比是影响频率响应误差的主要参数，而瞬态响应误差则与固有频率和被测推力的上升沿时间的乘积有关。