查询词典 sound frequency

The company produces the processing equipment to be advanced, check-out facility excellent, has the numerical control lathe, the numerical control drilling machine, the machining center, the numerical control gear-hobbing machine, the gear shaper, the fine borer, the universal milling machines, each kind of grinder, the table planer, the booklet bender, the large-scale lathe, the mechanical slicer, high intermediate frequency quenching, the well type, the box-type hardening furnace, the tempering furnace, the automatic welding machine, the X-ray crack detection machine, the cloth, the Rockwell tester; Electric hoist test platform, sound-level meter, varnish film thickness gauge, altazimuth, level; The material analysis laboratory, the metallography analysis room and so on full had guaranteed strictly the vehicle, the mill, dig, rub, pull, the boring, to drill, the ramming, cutting, the angle iron, the chemical examination and the heat treatment and so on complete technical process.

公司生产加工设备先进，检测设备精良，拥有数控车床、数控钻床、加工中心、数控滚齿机、插齿机、精密镗床、万能铣床、各种磨床、龙门刨床、折弯机、大型车床、刨床、高中频淬火、井式、箱式淬火炉、回火炉、自动焊机、 X射线探伤机、布、洛氏硬度计；电动葫芦试验台、声级计、漆膜测厚仪、经纬仪、水准仪；材料分析化验室，金相分析室等充分严格保证了车、铣、刨、磨、拉、镗、钻、冲压、切割、弯板、化验及热处理等全部工艺流程。

The field of alternative stress was generated through a strong sound field system set up in our lab, and the thermodynamic properties of cells were studied by Differential Scanning Calorimeter. We found that the effects of stress on cells depended greatly on the intensity and frequency of stress.

研究了交变应力对烟草愈伤组织细胞的影响，采用本实验室研制的强声波发生装置来产生交变应力场，并利用差式扫描量热仪研究了不同强度和频率的交变应力作用后烟草细胞热力学相行为的变化。

We have found that there are two basic characteristics of sound, amplitude, and frequency.

声音有两个基本特征，一个是声压，另一个是频率。

For cough frequency, sputum color white thin恶寒Anhidrotic, fever, headache, nasal Cypriot barrier sneeze flow T-ching and throat itch sound heavy, full-body soreness, urine-ching long, floating pulse tight, thin white tongue, Fingerprint red.

症见咳嗽频作，痰色白稀薄，恶寒无汗，发热头痛，塞鼻不通，喷嚏流清涕，喉痒声重，全身酸痛，小便清长，脉象浮紧，舌苔薄白，指纹红。

Ultrasonics: Vibrational or stress waves in elastic media that have a frequency above 20 kilohertz, the highest frequency of sound waves that can be detected by the human ear.

超音波：弹性介质中的应力波，其频率在2万赫以上，最高频率超出人耳可听闻的声波频率。

Ultrasonics: Vibrational or stress wave s in elastic media that have a frequency above 20 kilohertz, the highest frequency of sound wave s that can be detected by the human ear.

超音波：弹性介质中的应力波，其频率在2万赫以上，最高频率超出人耳可听闻的声波频率。

The laser induced sound can be a kind of sound sources as high resolution image sonars which are not sensitive to Doppler frequency.

因此，激光声可作为对多普勒频率不敏感图像声呐的声源。

Sound reflection and sound shadow of high frequency imaging sonar detecting sea mine underwater was simulated with computer.

对高频图像声纳探测水雷的回波和声影进行计算机仿真。

To raise the sound intensity of the modulated aerodynamic acoustic source in low frequency region, the resonances in two resonance pipes, a straight pipe and a bi-curved horn were tested by forcing the airflow of sound wave to pass through them.

为提高调制气动声源在低频处的发声强度，将含声波的气流通过直管和双曲喇叭两种谐振管产生共振。

The main products are: Digital frequency shift sound reinforcement equipment, DSP acoustic feedback suppression sound reinforcement equipment, digital conference system, simultaneous interpretation system, network will pass (web conferencing with USB SPEAKER PHONE), echo cancellation, and microphone interface, conference-style goose neck microphone, high-fidelityùmeetings, professional microphone and so on.

主要产品有：数字移频扩声设备、DSP声反馈抑制扩声设备、数字化会议系统、同声传译系统、网会通（网络会议用USB SPEAKER PHONE）、回声消除器、界面话筒、会议式鹅颈话筒、高保真会议音柱、专业麦克风等。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。