查询词典 khz

The total analysis time is 20 s at the rate of 10 kHz for mass spectra recording, and detection limits of 10×10^(-6) and 5×10^(-6) were measured for benzene and methyl iodide respectrvely.

用32cm无场飞行管，测量碘甲烷得到的质谱分辨率可达430。在谱图获得频率10kHz的操作条件下，样品总分析时间20s，得到苯和碘甲烷的检出限分别为10×10^(-6)，5×10^(-6)。

The 3dB linewidth of laser is less than 7.5 kHz, measured by the delayed self-heterodyne method with 15 km monomode fiber.

采用15km单模光纤延迟线进行了延迟自外差线宽测量，得到光纤激光器的3dB线宽小于7.5kHz。

The linewidth of laser is less than 10 kHz, measured by the delayed self-heterodyne method with 10 km monomode fiber. SNR is about 56 dB.

采用10km单模光纤延迟线进行了延迟自外差线宽测量，得到光纤激光器的3dB线宽小于10kHz。

73MW output power is obtained. The slope efficiency is 55%. The 3dB linewidth of laser is less than 10 kHz, measured by the delayed self-heterodyne method with 10km monomode fiber.

采用10km单模光纤延迟线进行了延迟自外差线宽测量，得到光纤激光器的3dB线宽小于10kHz。

Greater than 100, 20 Hz to 20 kHz, 8 ohms

大于100 ， 20赫兹到20赫兹， 8欧姆

By a piece of type-II critical phase matching biaxial crystal LBO for extra-cavity and for the compound system of telescope and Lens second-harmonic generation,green laser at 532 nm was achieved with average power of 40.6 mW,pulse duration of 16 ns, and peak power of 181 W.

先采用双凸透镜组合成的望远镜系统对1 063 nm的红外激光进行扩束，再对该光束聚焦，最后经双轴晶体LBO倍频后，得到了平均功率为40.6 mW，脉冲宽度为16 ns，重复频率为14 kHz，峰值功率高达181 W的绿光激光输出，1063 nm→532 nm的转换效率高达58%。

So, audio collecting and processing card can sample audio frequency range from 50 Hz to 6kHz with G.722.1 audio coding.

采用了G.722.1这种高质量、低码率的宽带语音编码，使采集卡能够完成对50 Hz到6 kHz之间连续变化的音频进行采集。

Since SystemView only plots the spectrum from zero to fs/2, the first spectral translate of the 16-times oversampled signal centered at 705.6 kHz is not visible.

自SystemView的唯一图谋频谱从零至FS / 2 ，第一次谱翻译 16倍过采样信号集中在705.6千赫不可见。

I still don't understand why they didn't use 455 or 450 kHz instead.

我仍然不明白为什么他们没有使用455或450千赫。

The most common frequency is 67 kHz.

最常见的频率是67 千赫。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。