The study of sound reflection at the surface of sandwich GFRP in water

The sound reflection in specular direction on a rough surface

不平整水面的镜向声反射

A resolution for sonar beam simulation was arose in 3D space built with OpenGL, given calculation models for both the target range and level of sound reflection, and how to promote the reality of the simulation image.

在OpenGL实现的三维场景中，建立三维空间中声纳波束仿真方案，给出了探测距离和回波强度两个关键问题的仿真算法，讨论了提高显示真实度的方法。

This paper investigates the acoustic scale effects for large size model, which are influenced by structural loss factor, shear, rotatory inertia and surface sound reflection as well as small lump mass.

本文针对潜艇舱段大尺度声学模型，分析了损耗因子、剪切形变和转动惯量、水面声反射以及小质量块所产生的尺度效应。

Study on the Law of Sound Reflection as a Random Location of Source in a Circular-plane Hall

圆形厅堂声源位置任意时的声反射规律的探讨

As the key point of the sound reflection and sound transmission, the acoustic coupling analysis received extensive concern.

而对于声反射和声透射的研究也使得声振耦合问题得到人们的关注。

Data design with valid, invalid data to cover normal processing operations adequately can be prepared.

应该准备一些能充分覆盖正常业务的有效及无效的测试数据.

Field'| 0'contains invalid data. Enter a valid numeric value.

域 “ |0”包含无效数据. 请键入有效数值.

The sling has polyester load bearing fiber and polyeaster outer sleeve for extra durability.

用纱线作为承载芯;化纤外套增加耐用性.

Stainless steel shaft sleeve using the same material.

不锈钢轴的套筒采用相同材质.

Install static-ring components on the long shaft sleeve.

将静环组合件装在长轴套上.

Adding wall shaft sleeve is a normal method in repairing axes.

加轴套修复轴是常用的修复方法.

Taking a chair here was a painful thing to him.

来这里坐坐,对他来说是很不好受的.

Raunchy pop diva Rihanna was voted fourth while Holly Willoughby ranked fifth.

不修边幅的流行音乐公主蕾哈娜排名第四，第五名是（“今早”节目主持人）荷莉•魏洛比。

I've been going about all day planning my characters.

一整天,我都在琢磨我的人物.

The streets were filled with people going about their daily business.

街上到处都是为日常事务而奔波的人.

A story is going about that our town will soon be turned into a city.

据说我们这个镇不久就会变为城市.

The news is going about.

这消息正在传开.

He is going about with that girl now.

他正带着那女孩到处游玩.

This should not be an experience for the few.

这不应是少数几个人的经历。

Winners were honored with the a crown of olive leaves placed around their heads.

获胜者头上带着象征荣誉的橄榄叶做成的头冠.