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- Through testing on muffler on a certain motor, the paper evaluates the static performance of sound transmission loss of the muffler. 通过对某种发动机使用的消声器进行测试,对消声器的静态传声损失性能作出评价。
- Through testing on muffler on a certain motor,the paper evaluates the static performance of sound transmission loss of the muffler. 通过对某种发动机使用的消声器进行测试,对消声器的静态传声损失性能作出评价。
- Mulholland, K.A., Parbrook, H.D. and Cummings, A., The transmission loss of double panels., J.Sound Vib., 6 324-334 (1967). 杨瑞峰;具平面界面之流体饱和多孔材料波传特性分析;硕士论文(2001).
- 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。
- Influencing factors on the transmission loss of light signs and the loss limit of plastic optical fiber are discussed, particularly for graded index plastic optical f ibers. 讨论了影响信号传输的因素和有机光纤光传输损耗的极限, 并对当前受到广泛重视的渐变型有机光纤的研究进展给予了特别的关注。
- I commiserate with you on the loss of your mother. 你母亲逝世,我特向你慰问。
- The loss of all his money embitter the old man. 失去全部的钱,使这位老人甚为痛苦。
- Results showed that it was realizable by taking such measures as using high inner-clad numerical aperture, appropriate rare-earth doped double-clad fiber and decreasing transmission loss of sunlight. 计算结果表明,通过采用内包层数值孔径较大、掺杂适当稀土元素的双包层光纤及减小太阳光传输过程中的损耗等措施提高光纤激光器对太阳能的吸收效率,可以实现太阳能直接抽运光纤激光器。
- The loss of the ball game stir up much feeling. 球赛输了引起了极大的愤慨。
- For hot rolling steel production, the condition on site is poor, temperature measurement is restricted by transmitting rate, background radiation and transmission loss of optical route. 对现场条件比较恶劣的热轧生产,它的测温受到发射率、背景辐射、光路传输损失等因素的制约。
- His death is a lamentable loss of our work. 他的死对我们的工作来说是令人悲痛的损失。
- Loss of pressure had not registered on the dials. 刻度盘未记录压力下降。
- Abstract: Based on one type of vehicle seals, the method of testing static sound transmission loss of vehicle seals is proposed.SPL-method, STL-method and SWL-method are used respectively. 文章摘要: 基于某型号的汽车密封条,进行了直线段汽车密封条的静态隔声测试方法研究,分别进行了声压法、声强法以及声功率法的测试和比较。
- The loss of the money has been a weight on my mind. 丢钱的事总是压在我心里。
- She's suffering from loss of memory. 她患有遗忘症。
- The loss of the first game did not discourage them. 第一场比赛的失败并没有令他们沮丧。
- One of the penalties of fame is loss of privacy. 成名的弊端之一是失去了私人活动自由。
- I regret the loss of her friendship. 我为失去她的友谊而遗憾。
- The little girl was bewailing the loss of her doll. 小女孩在为丢失洋娃娃伤心地哭泣。
- The loss of all my money was fatal to my plan. 钱都亏损了,把我的计划也毁灭了。
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