• This paper presents a study of the reflection of sound pulse from porous material in the ease that the impulse sound source and receiver are located on a line perpendicular to the surface of material.

    本文提出脉冲声源接收点同一条垂直于材料表面直线上时,脉冲多孔材料反射研究

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  • Since the speed of light is about a million times as great as that of sound waves, the reflection of light waves may very well be applied in detecting a target and its distance.

    光速大约声速100万,因此光波反射现象可以有效用来探测目标物及其距离

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  • By integrating historic film material with contemporary images this filmic poem continues the timeless reflection of East and West in images, words and sound.

    通过历史电影素材当代图像结合起来,这部电影诗歌继续图像、文字声音进行关于东西方永恒思考

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  • This however will ultimately only be a reflection of behavior that is associated with the sound of music played within the field of each human and upon the land in the cities.

    然而本质只是一个每个能量场城市土地上所演奏酸涩音乐所相应的行为反映

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  • In the case of high frequencies, the sound reflection coefficient at sedimentary layer surface is simplified.

    文末声频情况下的海底上的反射系数进行了简化。

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  • Now, when sound bitesare getting shorter, when instant messages crowd out essays, and when individual lives grow morefrenzied, college graduates capable of deep reflection are what our world needs.

    现在,在(新闻采访原声摘要播出变得愈来愈短即时信息淘汰了杂记文,个人生活变得如痴如狂之际,这个世界还是需要能够深思大学生

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  • Going back several hundred years, the music of Brahms, Beethoven, Mozart, Schubert, List and Chopin was a reflection of the sound of the inner cities.

    回顾几百年前勃拉姆斯贝多芬莫扎特舒伯特、李斯特肖邦时候城市内在音乐反映

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  • The responding signal of the receiving transducer under inspiring by the input supersonic and its reflection wave in experiment of sound velocity measurement is analyzed.

    声速测定(超声)实验接收换能器入射反射激励,换能器响应信号进行了分析。

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  • The impact of obstacles has been considered that it comprises reflection, diffraction and reflection of diffraction of sound.

    障碍物影响考虑反射衍射衍射反射。

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  • The wave form of flame standing wave produced by gas using sound field is studied, it is found that flame appears at wave nodes (fixed reflection end), and hardly appears at wave abdomen.

    通过声场使可燃气体产生火焰波形进行研究,得出火焰驻波节处(固定反射)出现火焰,在波腹处几乎不出现火焰的结论,理论分析实验观测相符。

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  • This paper presents a theoretical analysis of the reflection of a sound pulse by the plane interface between the air and an idealized porous medium.

    本文理论上分析球面脉冲声波空气理想多孔性媒质界面上的反射问题。

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  • Now, when sound bites are getting shorter, when instant messages crowd out essays, and when individual lives grow more crazy, college graduates capable of deep reflection are what our world needs.

    如今原声摘播越来越即时消息排挤文书往来个人生活变得越发浮躁之时我们这个社会所需正是那些拥有深刻反省能力的的大学毕业生

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  • Now, when sound bites are getting shorter, when instant messages crowd out essays, and when individual lives grow more crazy, college graduates capable of deep reflection are what our world needs.

    如今原声摘播越来越即时消息排挤文书往来个人生活变得越发浮躁之时我们这个社会所需正是那些拥有深刻反省能力的的大学毕业生

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