重振家聲 的英文怎麼說
中文拼音 [zhòngzhènjiāshēng]
重振家聲
英文
family fortune-
With the development of machine manufacturing industry and acute competition of the international market, the spiral bevel gears, as the important basic parts in machine transmission, are required with higher and higher behavior in vibration, noise control and dynamic strength. this problem has long been paid attention by domestic and overseas many experts, and become a crux and top goal
隨著機械製造業的發展和國際市場競爭的日益劇烈，對機械傳動的重要基礎件? ?弧齒錐齒輪的強度和噪聲要求愈來高，弧齒錐齒輪的振動、噪聲、動強度等，一直引起各國有關專家的廣泛關注，成為齒輪生產中的關鍵技術和制高點。In the past fifty years or so, with the development of the under water acoustic engineering and shock absorption, the capabil ity of modern submarine is greater then ever before. now it has become the u1timate weapos for each country in the wor1d
在過去的五十年中，隨著水聲工程學和減振降噪技術的進步，潛艇的隱身性能得到了空前發展，在國家之間的對抗當中也成為極為重要的「殺手鐧」類的武器。This dissertation aims at the problem of the noise of over length truck falling short of the lately country standard, and makes research on the reason of the gear - box vibrating noise. by combine using finite element analysis and experimental analysis method, the dissertation directly researches the vibrating noise of the gear - box, and takes some availability measures to control vibrating noise from the box surface. by improving the box to reduce its noise, and validate the effect
本文針對一汽超長載重汽車噪聲指標不符合國家最新標準的實際問題，對其變速箱振動噪聲的產生機理進行深入研究，應用有限元分析與實驗分析相結合的方法直接對其進行振動和噪聲分析，在此基礎上提出控制其振動噪聲的有效措施，並通過對其箱體的改進設計，最終達到減振降噪的目的。
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