Ultrasound is used by many animals that detect and some of them send out very high frequency sounds.
许多动物都用超声波来进行侦查，有些动物还能发出非常高频的声音。
Can you hear it? Very high frequency.
能听到吗？，很高的频率。
These very high frequency sounds are inaudible to the human ear.
这些频率非常高的声音人耳是听不见的。
We need frequencies even higher than those we call very high frequency .
我们所需要的频率甚至比我们称之为甚高频的频率还要高。
I have here a tuning fork which generates 4,000 Hertz, a very high frequency.
这个音叉，产生4000的赫兹，一个很高的频率。
I'd like to use your VHF (Very High Frequency) telephone to contact our company.
我想用一下你的高频电话同公司联系一下。
“People are trading news at very high frequency,” he said. “People worry about that.”
他说：“有人以非常高的频率作新闻交易，人们对此有所担心。”
The POWER5 chip has been designed for very high frequency operations of up to 2.0 GHz.
POWER 5芯片设计用于非常高频率的操作，最高可达2.0GHz。
This analytic method is also suitable for the bands of extremely low frequency (ELF) and very high frequency (VHF).
这种分析方法也适用于极低频到甚高频波段。
QAM at a fixed point-to-point digital microwave systs in the wider application, it has a very high frequency spectrum utilization.
QAM在固定的点对点数字微波系统中应用较广泛，它具有很高的频谱利用率。
VHP DSC (very High Frequency Digital Selective Call), as a main means of alarm, is very important for the vessels to navigate safely.
(甚高频数字选择性呼叫)作为近海海域的一种主要报警方式，对于船舶航行安全有着很重要的作用。
Because light has a very high frequency, it can carry a lot more data than microwaves or radio waves, which have much lower frequencies.
因为光的频率非常高，可以比频率低很多的微波或无线电波承载更多的数据。
While working with other singers, he noticed that they improved the quality of their voices by making adjustments in very high frequency overtones.
在和其他歌手合作时，他注意到他们在高频率的泛音做出调整来改善歌声的质量。
Electrical testers are widely used, but they are facing challenges from high-density PCB assemblers and very high frequency boards' testing tasks.
但是，电气测试仪将面临高密度pcb和甚高频电路测试的挑战。
The single frequency network (SFN) is the key technology in very high frequency (VHF) channel transmission of automatic hydrological forecast systems.
单频组网是水情自动测报系统中采用特高频信道传输的关键技术。
Microcrystalline silicon thin films prepared at different deposition parameters using very high frequency plasma enhanced chemical vapor deposition (VHF-PECVD).
采用甚高频等离子体增强化学气相沉积技术制备了不同衬底温度的微晶硅薄膜。
A series of microcrystalline silicon thin films were fabricated by very high frequency plasma-enhanced chemical vapor deposition at different substrate temperatures (T_s).
采用甚高频等离子体增强化学气相沉积技术制备了不同衬底温度的微晶硅薄膜。
Notice the odd roughness of the dense histogram in the region around 7-12 degrees, with both very high frequency of some measurements and unexpectedly low frequencies of others.
注意，在稠密直方图中 7-12度附近出现了偶然性的不平滑，有一些温度频率非常高， 也有一些频率出人意料地低。
Microcrystalline silicon solar cells with the variation of silane concentration (SC) and discharge power were fabricated by very high frequency plasma-enhanced chemical vapor deposition.
采用甚高频等离子体增强化学气相沉积技术成功地制备了不同硅烷浓度和辉光功率条件下的微晶硅电池。
As the doohickey hummed away at a very high frequency-a whopping 6 billion cycles per second-the "piezoelectric" material in it produced a warbling electric field that was easy to detect.
当这个小装置以每秒60亿周的高频速度振荡时，它表面的“压电”材料会产生一个很容易被检测到的振动电场。
For example, the high frequency word "rain" is very common and can be found in a number of important expressions.
例如，高频词“rain”很常见，可以在一些重要表达中找到。
This approach to enter the special characters of some high frequency is very effective.
这种方法对输入某些出现频率较高的特殊字符非常有效。
The design of target doppler frequency measurement circuit is very important in phase coded MMW radar system because of the high measurement precision requirement of target speed.
在某相位编码毫米波雷达系统中，要求很高的目标速度测量精度，因而目标多普勒频率测量电路的设计比较重要。
Due to the frequency pulling of FLL, the passband of the filter in PLL can be made very narrow to suppress the noise, and the PLL can lock carrier's phase with high accuracy.
由于有锁频环的频率牵引，锁相环路滤波器可以设计得很窄，具有很好的抑噪性能，满足精确跟踪载波相位的要求。
The design of target Doppler frequency measurement circuit is very important in phase-coded MMW radar system because of the high measurement precision requirement of target speed.
在某相位编码毫米波雷达系统中，由于对目标速度测量精度的要求很高，因此目标多普勒频率测量电路的设计也具有比较重要的地位。
Intrusion detection - Very-high frequency motion detectors - Specific standard.
侵入检测。甚高频运转检测器。专用标准。
Finally, a brief introduction to the applications of the very high speed frequency divider is given.
最后简单介绍了超高速分频器的应用情况。
Oh, I get it! Microwave ovens emit very-high-frequency radio waves which penetrate the food instantly.
喔，我懂了！微波炉会发出很高频率的无线电波，立即穿透食物。
Oh, I get it! Microwave ovens emit very-high-frequency radio waves which penetrate the food instantly.
喔，我懂了！微波炉会发出很高频率的无线电波，立即穿透食物。
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