• Based on the principle of sound attenuation to measure the sediment concentration of suspensions, the attenuation value of sound pressure must be detected.

    基于衰减原理进行水体含沙量测量方法,需要测量声压的衰减

    dict.cnki.net

  • The experiment showed that in the melon slices there were some points where the sound pressure attenuation coefficient were negative value or zero.

    实验表明额隆内有若干衰减负值、意味着声波沿这些点传输时、声压非但不减小反而增大了。

    dict.cnki.net

  • The experiment showed that in the melon slices there were some points where the sound pressure attenuation coefficient were negative value or zero.

    实验表明额隆内有若干衰减负值、意味着声波沿这些点传输时、声压非但不减小反而增大了。

    dict.cnki.net

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定