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- According to certain research, the spread velocity of sound waves has nothing to do with the speed of the ripples. 研究表明,声波在同一介质中的传播速度和波源的速度无关。
- The plane is flying at the velocity of sound. 飞机以音速飞行。
- The jet plane is flying at the velocity of sound. 喷射机以声音的速度飞行。
- velocity of sound wave 声速
- They were studying the reflection of sound waves. 他们在研究声波的反射。
- 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。
- The improved experiment device of interference of sound wave can feel the interference countervail and strengthening of sound in ordinary lab, and measure the sound velocity. 摘要本文给出了改进声波干涉实验装置的具体方案,该改进装置可在普通实验室内感受声音的干涉相消和干涉加强现象,并能测定声速和频率。
- Repetition of a sound by reflection of sound waves from a surface. 回声因表面反射声波而引起的声音重复
- 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。
- To repeat(a sound) by the reflection of sound waves from a surface. 发出回声表面反射声波而重复的声音
- Doppler Velocity Measurement System is a precise instrument, which is used to measure ship velocity and calculate its voyage on the theory of Doppler effect of sound wave in water. 多普勒测速系统是根据声波在水中的多普勒效应原理而制成的一种精密测速和计算航程的仪器。
- 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 paper analyzed variation of temperature, density and velocity of sound in the west pacific based on LEVITUS database using CSIR. 利用样条插值重构方法对LEVITUS数据库中的温度、密度和声速的月平均变化规律进行了分析,得到的海洋要素平面分布。
- Objective: Study the influence of parameters such as attenuation coefficient, velocity of sound, and temperature of medium on focusing sound field. 目的:研究声衰减系数、声速、温度等媒质参数对声聚焦的影响。
- The papers talk about the influence of sound wave on the pallium, and the violin performance effect on the cerebra. 本文从声波对人类听觉和大脑皮层的作用,论及小提琴演奏对大脑的影响。
- Lashing velocity of pump is concerned with nature of air. 泵的抽气速率与气体的性质有关。
- Multi-model clutters can be rejected by the slipping stagger MTI filter, and blind-velocity can be appeared out of three times velocity of sound. 同时该滤波器可形成多个凹口以滤去多种杂波,并将盲速推到三倍音速以外。
- The hare darted off with the velocity of a bird. 野兔像鸟一样快速掠去。
- It is useful to the measurement of transmitted time of sound wave in acoustic pyrometry and to the sound source location of 'four-tubes' leaking in boiler based on TDE. 不仅为声学测温中的声波飞渡时间测量提供了指导,而且对基于时延估计的锅炉四管爆漏声源定位有一定的参考价值。
- A new method of measuring the velocity of sound in the atmosphere is proposed,which uses fixed journey system,comparing to that used varied journey system before. 提出用固定行程系统测量空气中声速的新方法,与以往所用的变化行程系统进行比较.
