发声器

实验采用HRP技术，外周神经解剖及电刺激方法，对爬行类动物蛤蚧发声器的神经支配及其在延脑核团的定位进行了初步研究。

This paper was devoted to study the innervation of Gekko gecko 's vocal organ and its projection nuclei in the rhombencephalon . HRP method , electrical stimulation and anatomical ob - servation were employed in the experiments .

当安全锤离开安全锤座时，开关按钮弹起，电路连通，此时发声器发出报警信号。

When the hammer safety leaves the safety hammer holder , the switch button ejects , and the circuit is connected , so the sounder issues an alarming signal .

目前采用的气流发声器有Hartmann哨、旋涡哨、喷注边棱哨（簧片哨）、单孔喷注旋转阀和多孔喷注旋转阀等等。

The air current sound generators at present include the Hartmann whistle , vortex whistle , jet-edge whistle ( resonant wedge whistle ), single-hole jet rotary valve , multi-hole jet rotary valve , and so on .

在声学研究中需要使用各种形式的发声器。

Sound generators of various forms are needed in acoustic research .

哈特曼大功率发声器阵列设计及仿真

Design and Emulation for the Hartmann High-power Acoustic Generator Array

哈特曼声波发声器声学传播特性及应用研究

Acoustic propagation property and application of Hartmann acoustic generator

中国昆虫鸣声与发声器研究进展

Research Advance in the Sounds and the Sounding Apparatus of Insects in China

低频、强声气动发声器中阀门的设计计算及研制

Development of a pneumatic valve for low frequency , high intensity sound generator

驻车定位系统根据回波发声器原理工作。

The Parktronic system operates on the echo-sounder principle .

晶体管高频信号发声器

Sound IF amplifier tube HF transistorized signal generator

艇用次声发声器声场特征及其对艇员的影响

Characteristics of infrasound - generator field on the warship and its effects on crewmen

简易音频信号发声器

A Simple and Easy Audio Frequency Signal Generator

气动阀门发声器特性分析

Sound Characteristics of Pneumatic Valve Sound Generator

展向一排九只小发声器装在表面带小孔的平板模型内。

An array of nine small acoustic generators was flush mounted with the model surface .

它安装了一个发声器，盖子上还有太阳能板。

It is equipped with a sound machine and a solar panel on its lid .

足球迷们弄响了他们那用来助阵的发声器。

Football fans sounded their rattles .

每个卷轴上都有一个发声器，你会听见这声音。

And there is a clicker on the fishing reel and you ll hear this clicker go .

高频扬声器在高保真度的放声系统中用来产生高频声的小扬声器晶体管高频信号发声器

A small loudspeaker designed to reproduce high-pitched sounds in a high-fidelity audio system . HF transistorized signal generator

音乐考古学研究对象中的发声器，包括“前乐器”和乐器。

Acoustic generator , as the research objective of Musical Archeology , includes " Primitive musical instruments " and musical instruments .

超声发声器采用动态阻抗桥反馈电路，使发生器的频率能自动跟踪机械谐振频率；

The frequency of ultrasonic generator can trace the transducer mechanical resonance frequency with the help of motional bridge feed-back circuits .

如果有人试图移动标签或者带走标签商品，标签内的微型发声器将发出警报。

A small speaker in the tag emits an alarm if someone attempts to remove the tag or to leave the store with tagged merchandise .

在低速静音风洞中，通过流动显示技术，利用烟发声器，得到了清晰的流场形态，直观地看到了脱落涡的发展变化。

In low-speed muting wind tunnel flow , using visualization technique through a smoker we got a clear flow field structure seeing the behavior of vortex shedding clearly .

这是因为这位教授得了一种病，使他不能讲话了，因此，他讲话时，只得借助计算机和发声器。

That is because this professor has a disease which prevents him from speaking , so when he speaks he has to use a computer and a voice box .

相关的现场应用试验结果表明，经哈特曼发声器作用后，较低渗透率岩心的渗透率提高了126.5%，较高渗透率岩心的渗透率提高了177.1%；

The field application results show that the permeability of low-permeability cores and high-permeability cores can increase by 126.5 % and 177.1 % respectively by using Hartmann acoustic generator .

在毽球或羽毛球的头部，设置一个压力传感装置和一个发声器，球就能在被击打或抛踢时发出声音。

The head part of a shuttlecock ball or a badminton is provided with a pressure sensor and a sounder , and a ball can sound when struck or thrown and kicked .

由旋涡哨和哈特曼哨组合而成的复合哨是近几年新提出的一种流体动力式发声器，对其的研究更是罕见。

The compound whistle which is composed of vortex whistle and Hartmann whistle , is a new proposed hydrodynamic acoustic generators in recent years , the research about it is even more rarely .

气动声学面临的是高声压级和宽频带的研究环境，而气流发声器正是提供此类环境的最合适的声源。

Aeroacoustics is faced with research environments about high sound pressure level and wide frequency band . The air current sound generator is exactly the most suitable sound source providing this kind of environment .

这种压力传感装置之一是一弹性气囊，它受到击打时被压缩，产生气流冲击一个气控发声器，发出声音。

The pressure sensor can be an elastic air bag , and the elastic air bag can be compressed when struck in order to generate air current to impact an air-controlled sounder to sound .

利用这种声处理发声器对地下储层流体进行声处理可以降低原油粘度，改善流体物性以及地层渗流条件，达到最终提高采收率的目的。

The acoustic treatment technology can be used to reduce the viscosity of crude oil in the wellbore in order to improve the physical characteristics of underground fluid and the percolation condition of the formation and enhance the ultimate oil recovery .

拉链上的拉头及拉环一向其闭合端移动，铁质发声器就会脱离磁性体而发出响声，提醒人们关闭好拉链；

The pull head and the pull ring on the zipper move to the closing end of the zipper ; the iron sounder can separate from the magnetic body , and makes the sound to remind people to close the zipper ;