频率的例句大全

The base and emitter transit time increase and the cutoff frequency decreases at low temperature due to the trapping effect of shallow energy level impurities.

而由于浅能级杂质的陷阱效应，低温下基区和发射区渡越时间变长，截止频率下降。

The effect of pulse frequency and pulse duration ratio on the abrasion resistance of gold coatings is investigated with pulse plating in cyanide free and trace cyanide baths.

研究了脉冲电镀在微氰镀金，无氰镀金体系中脉冲频率、脉冲占空比对镀金层耐磨性的影响。

Experimental study of the effect of electron cyclotron frequency on parameters of crm-monotron

关于电子回旋频率对单腔回旋管参数影响的实验研究

The frequency of mind wandering as a characteristic is stable, and the content will be a certain tendency.

心智游移的频率作为一种特质，具有稳定性，而内容也会出现某种倾向性。

The results showed that the equivalent stiffness curve of structure unit was an "elongated S" in frequency domain, while the damping property presented "bell-shaped curve".

仿真和实验结果表明，模式结构的等效刚度随振动频率变化曲线呈拉长的S形，而阻尼特性曲线呈钟形。

Application of Digital Technique in Marine Agile Radar Beacon DIGITAL LIFE

数字技术在船用频率捷变雷达信标中的应用

Fixed frequency radar responder beacon

固定频率雷达应答标

According to the procedure a plasmid DNA& pBR 322 and pAt 153 was obtained. The frequency of transformation of genetic markers of resistant antibiotics has been determined using E. Coli C_ ( 600) and HB 101 as the recipient cell respectively.

本文叙述了一种简便有效的纯化质粒DNA的方法，制得的质粒DNA&pBR322和pAt153分别以C600和HB101作为受体细胞进行转化，测定了对抗生素有抗性的遗传标记的转化频率。

The waveform of corona current is pulse waveform with a high frequency.

气固两相体的电晕电流波形在正、负极性下均为高频率脉冲波形。

The positive DC corona streamer pulse amplitude and frequency under different pressure and humidity was measured, the results were in good agreement with the waveforms calculated by the fluid model.

为此，测量了不同气压和湿度下的正直流电晕流注脉冲幅值和脉冲重复频率，实验结果与利用流体模型计算得到的波形随气压和湿度的变化规律一致。

This produces a waveform of one polarity operating at a frequency twice that of the mains supply.

经过整流后得到的是一个频率为交流电源两倍的单极波形。

Test Method Based on the PC Sound Card to Test the Frequency of Electric Mains Precisely

基于PC声卡的电网电源频率精密测试方法

Meanwhile, various receiver modules are designed respectively to accept step frequency signal, and their properties are simulated, such as receiver bandwidth, VSWR and so on.

然后分别设计了实现接收步进频率信号的接收机的各个模块，并仿真了它们的性能，如接收机带宽、驻波比等。

The ECB's backing for a centralised register – updated daily or even more frequently – could reinvigorate the debate among global regulators about how best to deal with the risks posed by highly leveraged hedge funds.

欧洲央行对汇总式注册簿（更新频率为每日一次，甚至更高）的支持，可能在全球各监管机构中重新引起争论，即如何最好地应对由大量采用杠杆工具的对冲基金造成的风险。

Estimation of frequency characteristics of shaking table test system and its application

地震模拟振动台试验系统频率特性估计的研究及应用

In addition, the intensity dynamic effect is not robust, which may support the explanation of path dependence from high intensive development of high related product series.

同时，研究还发现强度动态的作用不稳健，这支持了较强相关的系列产品高频率开发也会形成一定的路径依赖。

Phase shifter is added into the oscillator, forcing the working frequency of the sensors close to the center frequency, so the stability and the dynamic range of the oscillation circuit are improved.

在原有振荡电路中增加了移相环节，使传感器工作在中心频率下，提高了振荡电路的输出稳定度及动态响应范围。

The character of dividing frequency of granite double fractal is discussed also.

同时对具有双分形特性的花岗石双分形分界频率的特点进行了探讨。

Based on the iteration scheme, the numerical analyses were conducted to investigate the effect of cross tie damper on the modal damping of cable system.

根据复特征频率方程的迭代函数形式，运用数值方法分析了辅助索位置的集中阻尼对索网结构模态阻尼特性的影响。

The analysis found that the individual will determine the level of mind wandering frequency.

通过分析发现，个体意愿的投入程度决定着心智游移频率的高低。