reflected sound

During an echocardiogram, reflected sound waves outline the heart's structure completely.

在心回波图检查时, 反射回来的声波会勾画出心脏的整个结构.

The reflected sound waves are then converted into a picture.

反射回来的声波然后转化成照片.

The sound reflected back in one tenth of a second.

声音在十分之一秒以后反射回来.

It is revealed that the great variation in sedimentation process would be reflected as abrupt changes in the recorded properties and affect indirectly on the propagation of sound.

其突变性质反映了沉积环境的重大变化对物理力学性质有重要影响，对声速的传播也间接发生作用。

Always a poignant reminder of winter approaching, today the sound reflected his mood perfectly.

那常常是一种辛酸的提示:冬天即将来临.今天这种悲鸣完全反映了他的心情.