英汉例句

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

  基于声衰减原理进行水体含沙量测量的方法，需要测量声压的衰减值。

• Perkins does work on sound attenuation materials, for example, laminate materials are evaluated for their ability to reduce resonance of components such as front end covers.

  帕金斯不健全的工作衰减材料，例如，复合材料的评价能力，以减少共振的部件，如前端覆盖。

• It also presents better performance than single aluminum panel in sound attenuation capability and thermal performance.

  与铝单板相比具有良好的隔声、保温性能。

• A brief review is given in this paper for sound attenuation in turbid water.

  对混浊水声衰减作了简要的综述。

• Three kinds of sound attenuation in extruded copper bars was tested and compared. The main factors of serious ultrasonic attenuation in red copper were analysed.

  对三种挤制钢棒的超声衰减进行了测试与比较，分析了超声波在紫铜中严重衰减的主要原因。

• The effects on the underwater sound attenuation by the thickness and concentration gradient of polymers were measured in a sound tube at different frequency during the polymers dissolution process.

  文中详细研究了梯度高分子溶液在不同频率下，聚合物厚度及梯度结构的变化对反射声衰减效果的影响。

• Objective To observe the sound attenuation effect of several kinds of hearing protectors (earplugs and earmuffs) in an infrasound generator sound field.

  目的观察几种护耳器（耳塞、耳罩）对次声发生器次声场的隔声效果。

• The acoustical properties and specific heat of sample at low temperatures were studied, and the temperature dependences of modulus, sound attenuation and specific heat were obtained.

  对其低温的声学和比热容性质进行了研究，得到了样品模量和声衰减以及随温度变化的规律。

• The paper study the problem by constructing theoretical model of diffracted sound attenuation of limited length barrier.

  通过建立有限长声屏障的绕射声衰减的理论模型，进行了这方面的探讨。