| 释义 |
sound speed短语¹⁴⁴⁹⁷²⁺²
基本例句
有声电影放映速率
Also it analysed the cause of the faults of the electronic displaying ruler in sound speed measuring unit.
对于声速测定仪中电子数显尺的常见故障原因进行了分析，并总结出维修方法。 dictall
Gives emphasis to the analysis and investigation on the sound speed and choking mechanism of the gas liquid two phase flow.
着重分析研究气液两相流音速特性及其阻塞机理。 dictall
It is shown that only with the Alfven speed higher than the sound speed upstream can a fast shock and a slow shock achieve their spatial connection and temporal evolution via intermediate shocks.
指出只有当上游背景阿尔文波速超过声速时，才有可能通过中间激波实现快、慢激波之间的空间连接和时间演化。 cnki
The acoustic parameters include complex reflection and transmission coefficientecho reduction and insertion loss, attenuation coefficient, complex acoustic impedance and sound speed.
测量参数包括复反射系数口声降低、复透射系数插入损失、衰减系数、复声阻抗和纵波声速。 cnki
The pressure wave is generated by exploding small detonator. The sound speed is obtained by amending propagation velocity of pressure wave that has been measured.
通过测量由小药量电雷管爆炸而产生的压力波传播速度，然后修正到音速。 cnki
The measurement of sound speed in the air is studied in the experiment by phase comparison method and standing wave method.
通过实验，应用相位比较法和驻波法对空气中的声速测量进行了研究。 dictall
The sound speed profile in the ocean has important influence on sound propagation in the medium.
海水中的声速剖面对声传播有比较重要的影响。 dictall
Under these functions, mismatch of ocean dePth, receiver location and sound sPeed profile have been simulated resPectively.
文中运用该函数分别对海底深度、接收基阵位置和声速分布三种失配情况进行计算机模拟研究。 cnki
Based on the theory that viscosity plays the main role in absorption of sound, the sound speed, coefficient of attenuation and valid elastic coefficient in viscous medium are discussed.
基于介质的粘滞性是声波吸收的一个主要原因，讨论了粘滞液体中的声速、衰减系数及等效体弹性系数； cnki
By using a sound speed measurement device composed of probe and CTS-3600 digital ultrasonic velocity measurement, ultrasonic propagation characteristic in near- critical CO2 has been studied.
采用由声速测量探头与 CTS-3600数字式超声探伤仪组成的声速测量装置，对超声波在近临界 CO2中传播特性进行了研究。 dictall
It was obtained that the radiation impedance of the ultrasonic transducer changes in evidence with the ultrasonic frequency and the sound speed of the well liquid.
当超声波的频率、井液声速变化时，超声换能器辐射阻抗变化比较明显。 cnki
Ocean sound speed, attenuation, suspended sand size and so on are all important ocean parameters.
海洋声速、声衰减、 温度、 盐度、悬浮物等都是海水的重要参数。 chemyq
Since a ray trajectory in the linear sound speed field is always in a plane, it may be obtained by the two-dimensional sound ray tracing method by deployed triangle.
由于在线性声速场中声线轨迹总是在一个平面内，所以可使用二维空间中的三角形前向伸展算法确定声路径。 cnki
So this technique has high sensitivity which phase difference method has and is hardly affected by the variation of the sound speed of the fluid, just as frequency difference method is .
因而该方法具备了相差法检测灵敏度高和频差法受被测流体声速变化影响小的特点。 cnki
The result indicates that the sound speed of gas liquid two phase flow is much lower than single phase liquid or air medium.
结果表明：气液二相流音速比单相液体或空气介质低得多，流动机构对音速变化有显著影响。 cnki
The result indicates that the sound speed is related to the void fraction, local pressure and flow pattern.
试验结果表明，气液两相流音速与气泡率、当地压力及其流型有关。 cnki
The results show that the wall shear stress decreases the sound speed and increases the attenuation of propagation.
结果表明：壁面剪切应力降低压力波的传播，并使压力波的衰减增大； cnki
The results show that wind and the sound speed profile have little influence on air- to- water sound transmission.
结果表明：空气中风速剖面和声速剖面对空气中声传播有很大影响，但对于透射进入水中的声波影响很小。 cnki
The idea is to help companies design and sell age- friendly products— with customizable font size, say, or sound speed— much the way they did with environmentally friendly products.
他们的思路是帮助公司设计并出售老年人喜爱的产品——公司可以定制他们需要的产品的字体大小或者语速的快慢——就好像他们在做环境友好型的产品一样。 yeeyan
This article describes on line proving of natural gas flow meters by using sound speed nozzles.
本文叙述了用音速喷嘴在线标定差压式天然气流量计。 cnki
This research shows that the effects of pipe- wall's elasticity and air entrainment in the liquid should be considered when calculating the sound speed precisely.
研究表明，在精确计算流体音速时需考虑管壁弹性和流体夹气的影响。 cnki
We invested the possibility of using sound speed method to measure the concentration of H2SO4 and compared its accuracy with the gravity method.
作者对超声法分析硫酸浓度进行了较细微的可行性试验研究，并将试验结果与比重法作了比较。 cnki
Sound speed nozzles have the advantages of high- accuracy, stable- performance and convenient to operate. It is an ideal standard gas flow rate facility.
音速喷嘴具有精度高、性能稳定，操作方便等优点，是理想的气体流量标准设备。 cnki
The water sound speed and temperature can be calculated by measuring Brillouin scattering frequency shift.
借助测量水体布里渊散射的频移，可得到水体声速或温度。 cnki |