查询词典 sound velocity

The sound power level of oil pan was estimated by the method of vibration velocity.

通过振动速度法，估算了油底壳辐射的声功率级。

Use pattern of Gao-Yong compressible onflow, 2 dimension of numeric imitate RAE2822 wing section differs in two kinds will shed what the circumstance falls to cross velocity of sound agglutinant circle sort a problem.

梗概： 应用Gao-Yong可压缩湍流模式，数值模拟RAE2822二维翼型在两种不同来流情况下的跨音速粘性绕流新问题。

This paper has presented the types and distribution characteristic of the Quaternary glacial deposits on the west side of the Yulong Mountains, which was an important task for the selection and optimization of the Yunnan-Tibet railway line in Northwest Yunnan. Based on lab test of physics and mechanics, the results of engineering properties of moraine/outwash rocks, including the cement composition and their cementation, stability in water, mechanical property, and sound spreading velocity, etc., have been reported, which can not only enrich the research contents of rock mechanics, but also have important practical value for railway construction and water power development in mountain regions.

结合滇藏铁路滇西北段线路比选和优化工作，对云南玉龙雪山西麓第四纪冰川堆积物的类型和分布特征进行了详细的野外调查；在室内物理力学试验的基础上，着重研究了冰碛砾岩的胶结物成分与胶结作用、水稳性、力学性质、声波速度等方面的特性，这不仅可以丰富现代岩石力学的研究内容，而且对本区铁路工程建设和水力资源的开发具有重要的实际价值。

A light disk suspended from a quartz thread; when exposed to a progressive sound wave its torque can measure velocity.

用石英线悬挂的光盘；当遇到前进的声波时它的扭矩可以测量速率。

Thread; when exposed to a progressive sound wave its torque can measure velocity.

用''。'石英'。''线悬挂的光盘；当遇到前进的声波时它的扭矩可以测量速率。

Results and velocity component are obtained by quadratic polynomial based on time mean of relative sound pressure.

基于相对声压的时间平均的二次多项式得到了测定结果和振速分量。

It start with several plain and rusticity problem, have described the problem about essential of Doppler offect of sound wave, relative velocity between photon, third observer.

先从几个比较浅显、质朴的问题入手，对声多普勒本质、光子间的相对速度问题、第三者问题作了较详尽的探讨和证明。

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。

For example, the velocity of the sound waves are a major factor.

例如，声波的速度是一个主要因素。

The time he passed four thousand feet he had reached terminal velocity, the wind was a solid beating wall of sound

他穿越四千英尺的高度时，已经达到极速，呼啸着的海风就像一堵坚实的墙，拦在前面，使他无法

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。