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- mass law of sound insulation 隔声的质量定律
- In theis paper, the characteristics of sound insulation of a typical aicraft sidewall structure have been investigated. 研究了典型飞机壁板结构的隔声特性。
- By the airtight sex of sound insulation glass, indoor airiness can rely on to add outfit exhaust fan to solve only. 由隔音玻璃的密闭性，室内的空气流通只能靠加装排气扇来解决。
- Adopting several kinds of sound insulation, the new organization of the antivibration, low in noise and without vibration. 采用数种隔音，防振的新机构，低噪声、无振动。
- Acoustics. Measurement of sound insulation in building and building elements. Part 10: laboratory measurement of airborne sound insulation of small building elements. 声学。建筑物和建筑元件隔音测量。第10部分:小型建筑物元件气载噪声隔离的试验室测量。
- It introduces a new approach of application of functional analysis method for designing a test platform of rock drilling machine, which includes the design of sound insulation cover, exhaust muffler and buffer. 介绍了应用功能分析的方法进行凿岩机试验台设计的过程,并对隔声罩、声器和缓冲器的设计作了详细介绍。
- We are subject to the law of the land. 我们须遵守当地的法律。
- Analyses the noise transmission character of heat pump units.Gives a noise control example.Presents the design method, key technology and the effect of the enclosed device of sound insulation and noise elimination. 分析了风冷热泵机组的噪声传播特性,结合热泵机组的噪声治理工程实例,介绍了封闭式隔声消声装置的设计方法、设计要点和治理效果。
- Who discovered the Law of Gravitation? 谁发现了引力定律？
- Newton's law of motion apply to all things on the earth. 牛顿时的运动定律适用于地球上一切东西。
- Insulating glass has functions of sound insulation, hear insulation, dew prevention and energy saving.It is widely used in construction, transportation and refrigeration. 这种产品具有隔音、隔热、防结露和降低能耗的作用，被广泛应用于建筑、交通、冷藏等行业。
- Locality of action shows itself in the finite speed of light, in the inverse square law of fields, and in macroscopic statistical effects, such as rates of reaction and the speed of sound. 行动的局部性以有限光速，以域的平方反比定律，以及以宏观统计的结果表明自己，如反应率和声音的速度等。
- Enactment into law of a legislative measure. (议案)通过把立法议案制定为法律
- pulse method of sound insulation measurement 脉冲隔声测试方法
- See also Avogadro's law, law of mass action, stoichiometry. 亦请参阅Avogadro's law、mass action, law of、stoichiometry。
- When did the first measurement of the speed of sound take? 第一次测量声速是在什么时候？
- The law of supply and demand governs the prices of goods. 供求规律决定商品的价格。
- A citizen is expected to conform to the law of his country. 一个好公民应当遵从他国家的法律。
- The objective measurement of sound insulation of earplug 耳塞隔声性能的客观测量
- Every paragraph is a distillation of sound judgment. 每段话都是正确判断的结晶。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
