velocity of sound中文是什么意思

• 声速；音速

• "velocity"中文翻译    n. 1.迅速；快速。 2.速度，速率。 3.周转率。 ...
• "sound"中文翻译     sound4 n. 1.港，海峡；海湾。 2 ...
• "sound velocity" 中文翻译 :    声速; 音速
• "acoustic (or sound) velocity" 中文翻译 :    音速
• "acoustic velocity (speed of sound)" 中文翻译 :    音速
• "complex sound velocity" 中文翻译 :    复数音速
• "critical sound velocity" 中文翻译 :    临界声速
• "effective sound velocity" 中文翻译 :    有效声速
• "electron sound velocity" 中文翻译 :    电子声速
• "instantaneous sound particle velocity" 中文翻译 :    瞬时声质点速度
• "ion sound velocity" 中文翻译 :    离子声速
• "local velocity of sound" 中文翻译 :    局部音速
• "ray path sound velocity" 中文翻译 :    射线路径声速
• "sound particle velocity" 中文翻译 :    声波中质点速度; 质点振动速度
• "sound velocity calibration" 中文翻译 :    声速校准
• "sound velocity error" 中文翻译 :    声速误差; 音速误差
• "sound velocity gradient" 中文翻译 :    声速梯度
• "sound velocity gradient set" 中文翻译 :    声速梯度仪
• "sound velocity in wood" 中文翻译 :    木材的声速
• "sound velocity meter" 中文翻译 :    声速仪
• "sound velocity method" 中文翻译 :    声速法
• "sound velocity profile" 中文翻译 :    声速断面
• "sound volume velocity" 中文翻译 :    声媒质体积速度
• "sound-velocity method" 中文翻译 :    音速测温法
• "tra verse sound velocity" 中文翻译 :    横向声速

• In the ocean, the velocity of sound varies with the temperature, salinity, and depth of the water .
  在海洋中，音速随着水的温度、盐分和深度而变化。
• The jet plane is flying at the velocity of sound
  喷射机以声音的速度飞行。
• The velocity of sound in water is more than four times that in air
  声音在水中的速度是在空气中的速度的4倍多。
• Velocity of sound in air
  空气中声音的速率
• Research on volume identification with the method of discharging at the velocity of sound
  利用声速排气法进行容积辨识的研究
• Testing of carbon materials ; determination of velocity of sound of shaped articles ; solid materials
  炭素素材料的试验.成形产品的声速测定.固体材料
• There is a system on their every manpower , them will arrive where working and so on press some buttons on hand , then , their destination can fly , it is rapid that speed have velocity of sound almost , therefore can only also see that a individual is being air to fly
  他们每个人手上都有一个系统，他们要到哪里去工作之类就按一下手上的几个按钮，然后就会飞到他们的目的地，时速差不多有声速那样快，因此也只能看到一个个人在空中飞。
• Laser , ultrasonic beam and microwave are used in non contacting level measuring systems . laser systems suffer from dirt , ultrasonic sensors are strongly affected by changes of the velocity of sound and usually a pipe is needed to couple the ultrasonic waves into the liquid tank , which is difficult when there is a high pressure or when explosion protection is necessary
  压力式液位测量系统原理简单、成本低，但测量精度和应用场合有一定的局限性，超声液位仪精度较高，但设备复杂，一般需要用导管将超声波传到被测的液体中，因而安装维护较麻烦，激光测距系统对环境要求严格。
• A new fluid level measurement method , based on ultrasonic measurement , for calculating the velocity of sound and the fluid level is presented . this method points out that a low - power acoustic signal generator under control can be used to emit spread spectrum signals and the fluid level can be worked out by detecting the correlation - peak output of the matching filter whose input is the echo signal received by a microphone
  本文提出了一种新的基于扩频通信原理的液位测量方法，使用可控声源，发射较低功率的频谱扩展信号，在接收端对回波信号进行匹配滤波处理，通过检测相关峰来确定特征回波的位置，从而计算出液位。
• Three characteristic features , such as average velocity of sound , deviation coefficient of sound velocity , and deviation coefficient of amplitude are extracted from four kinds of testing data which are sound velocity , amplitude , frequency and waveform in this paper . fuzzy analysis and artificial neural network are combined to form an intelligent system with similar functions to human brain to classify grc , aerated concrete , hollow brick , solid brick and concrete block . the accuracy of this system is up to 95 % in field tests
  由超声脉冲法获得4种检测信息声速、波幅、频率和波形，从中提取3个特征量：平均声速、声速的离差系数和波幅的离差系数，利用模糊分析方法和人工神经网络相结合对grc 、加气混凝土、空心砖、实心砖、砌块5种墙体材料进行种类识别，形成一个智能化的、具有类似人脑功能的系统.经现场实测证明，判别的准确率达95 %以上。

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