查询词典 sound frequency

This paper discusses the classification of seabed sediment using normally incident, high frequency sound pules.

本文提出一种垂直入射声脉冲遥测海底表层沉积物类型的方法。一些作者已经指出，海底反射系数可以作为特征量用于识别沉积物类型。

Such as gantry planer, universal milling, precision boring machine, gear hobbing machine, bending machine, large lathe, planer, high-frequency furnace, Pit, box-type quenching, back to the stove, automatic welding machine, X-ray detection machine, cloth, Rockwell hardness tester ; electric hoist test stand, sound level meter, coating thickness, Theodolite, Level; Materials Analysis Laboratory, metallographic analysis room, etc. Strict fully guaranteed vehicles, milling, planing, grinding, pulling, boring, drilling, stamping, cutting, bending plate, testing and heat treatment, and all other processes.

如龙门刨床、万能铣床、精密镗床、滚齿机、折弯机、大型车床、刨床、高中频炉、井式、箱式淬火、回火炉、自动焊机、X射线探伤机、布、洛式硬度计；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。

It features ultra-low noise import pulp Senate carbon fiber, rigid speaker cone greatly strengthened, the effective bandwidth within a more flat frequency response, the unit used aluminum frame and aluminum wire voice coil. Shaker skeleton of the United States military material, light weight, high efficiency, so that the audio sound pressure increased significantly.

超低音单元采用进口纸浆参碳纤维，纸盆刚性大大加强，在有效的频宽内有更平坦的频率回应，单元采用铝盆架和铝扁线音圈，音圈骨架为美国军事物料制造，品质轻，效率高，使音频的声压大幅度提高，更具爆发力，灵敏度极高，低音磁路采用高效率的冷却系统，保证了。

It features ultra-low noise import pulp Senate carbon fiber, rigid speaker cone greatly strengthened, the effective bandwidth within a more flat frequency response, the unit used aluminum frame and aluminum wire voice coil. Shaker skeleton of the United States military material, light weight, high efficiency, so that the audio sound pressure increased significantly.

超低音單元採用進口紙漿參碳纖維，紙盆剛性大大加強，在有效的頻寬內有更平坦的頻率回應，單元採用鋁盆架和鋁扁線音圈，音圈骨架為美國軍事物料製造，品質輕，效率高，使音頻的聲壓大幅度提高，更具爆發力，靈敏度極高，低音磁路採用高效率的冷卻系統，保證了。

B Sweep through the frequencies until you find the frequency where the sound has the least amount of boxiness and the most definition.

对整个频率进行扫描，直到你的声音不再模糊了，声音更突出为止。

The aim of this study is to investigate the influence of the lateral nucleus of amygdala stimulation on the auditory response in the auditory cortex evoked by frequency-modulated sound.

采用在体细胞外单细胞记录方法，研究电刺激杏仁外侧核对调频声所诱发的听皮层神经元反应的影响。

Had deep technology to accumulate what go up with technical research and development to be thrown energetically just about, many industries and country " the first " in the sea the letter is born, multinomial core technology and sophisticated technology are captured by sea letter him person and master. 1996, air conditioning of the first frequency conversion of Chinese gets offline in sea letter; 2001, mobile phone of screen of color of the first CDMA of Chinese is born in sea letter; In June 2005, the video of the first own intellectual property treats field of Chinese sound video chip " letter core " in the sea the letter is born; In September 2007, product line of group of model of the first liquid crystal is in course of study of Chinese color television sea letter builds and put into production; In July 2008, TV of liquid crystal of illuminant of back of the first LED of the thinnest, China is in the whole world sea letter is born... some closer year come, because the sea believes these to hold to the ceaseless effort of own innovation enterprise, the home appliance trade that allows China was taken off " fruit dealer " cap, course of study of the state-owend enterprise in making tycoon of foreign home appliance right be filled with deep esteem, from " look down upon " mix to admiring look in succession and the olive that come.

正是有了深厚的技术积累和技术研发上的大力投入，多个行业和国家&第一&在海信诞生，多项核心技术和尖端技术被海信人自己攻克和掌握。1996年，中国第一台变频空调在海信下线；2001年，中国第一部CDMA彩屏手机在海信诞生；2005年6月，中国音视频领域第一块自主知识产权的视频处理芯片&信芯&在海信诞生；2007年9月，中国彩电业第一条液晶模组生产线在海信建成并投产；2008年7月，全球最薄、中国第一台LED背光源液晶电视在海信诞生……近些年来，因为海信这些坚持自主创新企业的不断努力，让中国的家电业脱掉了&水果贩子&的帽子，让国外家电巨头对中国企业肃然起敬，从&瞧不起&到钦佩的目光和纷纷而来的橄榄枝。

Another haunted and related natural phenomenon is known as low-frequency infrasonic sound waves.

另一种与闹鬼相关的自然现象是称作次声的低频声波。

This paper summarizes the study progress on the impending earthquake prediction by Chinese scientists from the method of multi-subject intersection and the internal and external factors coupling. Depending on very hard work during recent years, they get some important signals of predicting impending earthquakes, including the anomalies of infrasonic sound wave, crustal stress, behavior of budgerigars, general geoelectric, geomagnetic, satellite heat infrared and high frequency gravity pulsation.

文章综述了中国科学家从多学科交叉和内外因耦合的科学途径，已在大地震临震信号方面获得了次声波异常、地应力突跳、虎皮鹦鹉跳跃异常、地电和地磁异常、卫星红外异常、重力高频脉冲等临震预测的手段。

AIM: To measure the frequency and sound pressure of the infrasound in cars and trains.

目的： 测量汽车和火车内环境次声的频率和声压级的分布。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐