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1·Marketed as a gentlemanly way to shoot, silencers were widely used in the 1920s and ’30s.

由于该产品被刻画成很绅士的射击方式，所以在上世界二、三十年代被广泛使用。

2·Molecular weight, wear and corrosion resistance, with silencers and damping performance.

分子量大、耐磨、耐腐蚀，并且具有消音减震的性能。

3·A test bed for the performance study of Marine diesel engine exhaust silencers was designed and built.

设计并建造了一种用于船用柴油机排气消声器声学和气动性能试验研究的台架。

4·Then the resistance loss characteristics is analyzed for the different configurations of water silencers.

随后对不同结构水消声器的阻力损失特性进行了分析。

5·The paper describes the structure and design features of AFP, AXP and XXP type boiler blow off silencers.

介绍了AFP、AXP、XXP型锅炉排汽消声器的结构原理和设计特点。

6·Cross flow is widely used in spray cooling, spray dust, spray drying, spray silencers and other industrial fields.

横向流雾化广泛应用于喷雾冷却、喷雾除尘、雾化干燥和喷雾消声等工业领域。

7·The paper gives a method about the integrative drive of the CAD software for tractor exhaust silencers and a method for DOS change.

介绍了拖拉机排气消声器CAD软件的一体化驱动方法和“状态切换”方法。

8·The predicted transmission loss of perforated tube silencers using the finite element method and experimental results are compared and showed good agreement.

使用有限元法计算穿孔管消声器的传递损失，并与实验测量结果进行了比较，二者吻合良好。

9·Silencers, suppressors, or cans as they are sometimes called have to be precisely made using very exacting technology to have any hope of quieting such a loud noise.

灭音器和消音器， 也就是人们有时称之为‘罐子”的装置是以尖端技术制造的，这样才能有望压低枪的巨大噪音。

10·The 3-d numerical methods are used to predict the acoustic attenuation performance and flow resistance characteristics of internal combustion engine exhaust silencers.

使用三维数值计算方法预测内燃机排气消声器的声学性能和阻力特性。

消声器

1·Then the resistance loss characteristics is analyzed for the different configurations of water silencers.

随后对不同结构水消声器的阻力损失特性进行了分析。

2·The predicted transmission loss of perforated tube silencers using the finite element method and experimental results are compared and showed good agreement.

使用有限元法计算穿孔管消声器的传递损失，并与实验测量结果进行了比较，二者吻合良好。

3·A substructure method and a dual reciprocity boundary element method (DRBEM) are applied to calculate four-pole parameters and transmission loss of ducts and silencers with complex flow.

将子结构法和双倒易边界元法联合应用于预测具有三维复杂流存在时管道和消声器的四极参数与传递损失，阐述其基本原理与数值过程。

4·The paper gives a method about the integrative drive of the CAD software for tractor exhaust silencers and a method for DOS change.

介绍了拖拉机排气消声器CAD软件的一体化驱动方法和“状态切换”方法。

5·Therefore, the present thesis will investigate in detail the calculation methods of acoustic attenuation performance of silencers and the acoustic characteristics of perforated elements.

本文针对消声器声学性能的计算方法和穿孔元件的声学特性开展系统研究。

(1)exhaust silencer排气消声器