有些种类的蝙蝠会根据回声频率的变化来调整向猎物移动的方向和速度。
Responding to changes in the CF echo's frequency, bats of some species correct in flight for the direction and velocity of their moving prey.
确认各声频设备是否太靠近电视机。
Make sure none of the audio components are positioned too close to the TV set.
超声功率与超声频率可根据需要调整。
Ultrasonic power ultrasonic frequency may adjust according to the needs.
超声功率与超声频率可根据需要调整。
Ultrasonic power and ultrasonic frequency may adjust according to the needs.
本发明揭示一种用于声频编码之方法及装置。
探讨利用噪声频谱进行风机故障诊断的方法。
The method for fans fault diagnosis by using noise frequency spectrum was described.
影响数字声频质量的主要因素之一是量化噪声。
The quantizing noise is an important factor which influences the quality of digital audio.
例如，电话把声能转换为电信号并重新转换回声频来启动对话。
A telephone, for example, converts sound energy to an electrical signal and back again to audio to enable conversation.
声频谱包络的特点和音管的传递函数有相应的关系。
The envelope of sound spectrum is related to the transfer function of bore.
运用噪声频谱分析方法对铁合金企业噪声进行了分析。
This paper USES the method of noise spectrum analysis to analyze the enterprise noise of ferroalloys.
文末对高声频情况下的海底上的声反射系数进行了简化。
In the case of high frequencies, the sound reflection coefficient at sedimentary layer surface is simplified.
数字水印的研究对象主要包括静止图像、视频和声频信息。
What digital watermarking technique mainly research on is still images, video and audio signals.
本文探讨了用齿轮噪声频谱分析来诊断齿轮磨损程度的方法。
This paper introduces the methods of diagnosing the tooth-wear through the spectrum analysis of gear noise.
本文讨论了两种已经在船厂船舶建造工艺上应用的声频技术。
In this paper two kinds of acoustic frequency technique which were applied in shipbuilding technology in shipyard are discussed.
位置测量仪器和方法，导航仪器和方法，信息服务及声频信息收发方法。
Position measuring instrument and method, navigation instrument and method, information service and audio-frequency information transmit-receive method.
他补充说：“学弹奏乐器就得学习音调和乐谱，这样能提高自己声频信息存储能力。”
He added: "When you play a musical instrument you have to learn about tone and about scores and your ability to store audio information becomes better."
这是因为结构以某一阶模态振动时，将在其辐射噪声频谱上出现一个峰值。
Because the structure vibrates at some modal, a vibration peak value will appear at its noise frequency spectrum.
探讨了小孔泄漏气体噪声频谱中某一频段声压级与雷诺数之间的函数关系。
The function relationship between acoustic intensity of eyelet leak noise frequency section and re was discussed.
提出了基于分段的实时声频检索方法，并讨论了在实时检索中的控制策略。
This paper presents a segmentation-based real-time frequency retrieval method and discusses its control strategy.
声频定向扬声器是利用参量阵原理，产生高指向性声频信号的新一代扬声器。
Audio directional loudspeaker is a novel loudspeaker which can generate an audio signal with high directivity by utilizing the parametric array principle.
利用超声频谱分析法对换能器进行频率特性分析，找出适合检测的最佳状态。
Spectrum feature analysis of the transducer apparatus is also conducted with this approach and thus achieves the best testing status.
针对某型柴油机排气噪声频谱特性，设计了一种新型阻抗复合式排气消声器。
The design process of a new type of exhaust silencer for some diesel engine models was discussed.
色彩与声频手拉着手，带来一副又一副的美丽与完美，这在当前的地球无法寻找。
Color and sound go hand in hand bringing an array of beauty and perfection not found on Earth at present.
对比试验表明，植物声频控制技术在保护地芹菜上应用，起到了33%的增产效果。
Comparative tests showed that application of plant audio control technology to celery in the protection plots yielded an increase of 33% in output.
主导生产LED触觉轻触开关。防尘轻按轻触开关。限位检测开关。防水声频耳机插孔。
The main production LED tactile touch switch. Dust light touch switch. Limit detection switch. Waterproof audio headphone jack.
详细介绍了一种用于电子侦察与对抗系统中的宽带、高分辨率、低相位噪声频率合成器。
A broadband, high resolution and low phase noise frequency synthesizer used in electronic detection and electronic countermeasure system is described in detail.
他分析了鸣叫声的特征，包括每支“曲子”的发音次数——或者说音节、音节的长度以及鸣声频率。
He analysed the songs' traits, including the number of single sounds - or syllables - per song, the length of the syllables and the song's frequency.
该设备还能收听跨越17个八度音阶的声频，其音调范围远高于蚊子的蜂鸣，而远低于低沉的雾角。
It can also hear sound frequencies across a span of 17 octaves, spanning pitches far higher than the whine of a mosquito and far lower than a rumbling foghorn.
该设备还能收听跨越17个八度音阶的声频，其音调范围远高于蚊子的蜂鸣，而远低于低沉的雾角。
It can also hear sound frequencies across a span of 17 octaves, spanning pitches far higher than the whine of a mosquito and far lower than a rumbling foghorn.
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