noise trial 中文意思是什麼

noise trial 解釋
噪聲特性試驗
  • noise : n 1 聲音，聲響。2 叫喊；嘈雜聲，噪音；喧鬧聲；吵鬧，騷動，騷擾。3 〈古語〉謠言，風聲。4 〈美國〉...
  • trial : n. 1. （好壞、性能等的）試驗；（人或物的）試用；試車。2. 【運】選拔賽，預賽。3. 考驗，磨難，困難，患難；討厭的人[東西]；【法律】審問；審判。adj. ＝trinal.
  1. Trial test of steel panel of noise barrier nb8 in progress

    已完成的高架橋隔音屏試驗段的鋼架
  2. Taking into consideration the weak points of mufflers of the present rock drills and by analyzing the working characteristic and the noise mechanism, the author has put forward the method to control and reduce the noise, and trial - produced more effective and practical device of mufflers

    摘要針對現有風動鑿巖機消聲器的缺點，從鑿巖機的工作特性和噪聲機理分析入手，提出降低噪聲的控制方法，並研製高效實用的排氣消聲裝置。
  3. The general technology performance of the 93m platform supply vessel is introduced in this paper, focus on abstract calculation for control of noise & vibration, at the same time the testing result for the noise & vibration during ship ' s sea trial is described

    摘要概括地介紹了93米平臺供應船的主要技術指標，重點論述噪聲與振動控制設計的理論計算，同時在實船航行試驗時所作的噪聲與振動測試情況作了說明。
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