高频率

However, not having a sculpted surface would then reduce foam's absorption at higher frequencies.

然而，没有一个雕像表面就会减少泡沫的吸收在更高的频率。

The virtual instrument combined with Ku-Band Microwave Doppler phase detect radar is used for the sea wave height measurement according to the Doppler frequency of the sea wave echo and stores the data.

结合Ku波段多普勒相检雷达，运用虚拟仪器根据海浪回波的多普勒频率来判断海浪变化，测出海浪波高存储数据。

The most frequent reaction causing the self-sealing of rocks with high secondary permeability is argillization.

这种发生频率很高的、使次生渗透性能良好的岩体产生自封闭现象的反应就是泥岩化。

The most frequ t reaction causing the self-sealing of rocks with high secondary permeability is argillization.

这种发生频率很高的、使次生渗透性能良好的岩体产生自封闭现象的反应就是泥岩化。

During the testing process, the circuit use the on-off power supply's pull and push structure as prototype, gaining a additional LC in series resonance circuit, which is also a opposite sharp structure. In the same frequency,and in the work state of work voltage, receiving even more high efficiency and output power.

该电路在实验过程中以开关电源推挽式结构为原型，改进得到一个附加了LC串联谐振回路的反激式结构，在同等工作频率、工作电压的状态下，得到了比推挽式结构更高的效率和输出功率。

It is named shift operator FDTD method. The high accuracy and efficiency of this method is confirmed by computing the reflection coefficients of electromagnetic waves by a collisional plasma slab. The reflection coefficients between plasma and the atmosphere or vacuum can be calculated by using the SO-FDTD method.The result is that the reflection coefficie...

应用该方法计算了冷等离子体平板对电磁波的反射系数，通过与解析结果的比较，验证了该算法的高效性和高精度，同时，应用SO_FDTD方法，计算了等离子体层对垂直入射电磁波的反射系数，结果表明等离子体厚度、电子密度、电子密度的分布形式和入射波频率是影响反射系数的重要因素。

Electromagnetic vibrating sifter from the electromagnet, screen, frame, spring contactors etc., using a higher frequency and smaller amplitude of vibration.

电磁震动筛粉机由电磁铁、筛网、架、弹簧接触器等组成，利用较高的频率与较小的振幅产生振动。

A silent communications system in which nonaural carriers, in the very low or very high audio-frequency range or in the adjacent ultrasonic frequency spectrum are amplitude- or frequency-modulated with the desired intelligence and propagated acoustically or vibrationally, for inducement into the brain, typically through the use of loudspeakers, earphones, or piezoelectric transducers.

一个沉默的联系是不承载听觉，在非常低或非常高音频范围里，或在邻近的超音速的频谱中，这是广阔的-或带有期望的智能并且传播声学的频率调节或振动，为了刺激大脑内部，典型的是通过利用扬声器，耳机，或压电式换能器。

We got the simple and high accurate eigenvalue equations and cutoff frequency formulae of all propagation modes. Second, to the optical fiber with homogeneous cladding, we defined the "permittivity ratio", and we got the simple and high accurate connection of cutoff frequency to the ratio. Third, to the fiber with inhomogeneous cladding, we analyzed the dispersive and power-frequency characteristics.

第二，对于具有各向同性包层的弱渐变光纤，引入了介电比，找到了精度高且形式简洁的截止频率对折射率参数的依赖关系；第三，对于具有各向异性包层的弱渐变光纤，首次通过包层的轴向与横向的介电常数比分析了该类光纤的色散和功率特性。

Results With our designed filter, 50 Hz powerline interference in high sampling rate was efficiently removed, and the filter coefficients were simple, integral,and convenient.

结果 该方法设计的滤波器能有效去除高采样频率下50 Hz工频干扰，且系数为整数，实现简单。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！