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关注：1
2013-05-23 12:21
求翻译：In order ot study the effects of infrasound on human beings from the viewpoint of labor hygiene and environmental protection, an infrasound experiment system has been developed based on the fundamental principle of Helmholtz resonator. The system consists of a Helmholtz resonator, the electro-acoustic driving systems, 是什么意思？ 待解决
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- 离问题结束还有
In order ot study the effects of infrasound on human beings from the viewpoint of labor hygiene and environmental protection, an infrasound experiment system has been developed based on the fundamental principle of Helmholtz resonator. The system consists of a Helmholtz resonator, the electro-acoustic driving systems,
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2013-05-23 12:21:38
In order ot study the effects of infrasound on human beings from the viewpoint of labor hygiene and environmental protection, an infrasound experiment system has been developed based on the fundamental principle of Helmholtz resonator. The system consists of a Helmholtz resonator, the electro-acoust
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2013-05-23 12:23:18
study of the ot order In infrasound effects on human beings from the viewpoint of environmental protection and labor hygiene, an experiment infrasound system has been developed based on the fundamental principle of resonator Helmholtz The . Helmholtz resonator system consists of a driving, the elect
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2013-05-23 12:24:58
In order ot study the effects of infrasound on human beings from the viewpoint of labor hygiene and environmental protection, an infrasound experiment system has been developed based on the fundamental principle of Helmholtz resonator. The system consists of a Helmholtz resonator, the electro-acoust
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2013-05-23 12:26:38
In order ot study the effects of infrasound on human beings from the viewpoint of labor hygiene and environmental protection, an infrasound experiment system has been developed based on the fundamental principle of Helmholtz resonator. The system consists of a Helmholtz resonator, the electro-acoust
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2013-05-23 12:28:18
In order ot study the effects of infrasound on human beings from the viewpoint of labor hygiene and environmental protection, an infrasound experiment system has been developed based on the fundamental principle of Helmholtz resonator. The system consists of a Helmholtz resonator, the electro-acoust
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