常見例句The noise class of China Institute of Technology belongs to the second noisecontrol area.The surrounding standard of day noise is set at 65 dB(A). 摘要本校噪音管制區(qū)列屬于第二類噪音管制區(qū)，日間噪音之周界標準為65分貝，為了解本校校園環(huán)境噪音之符合度，故針對本校幾處重要之校園環(huán)境進行噪音總體檢。noisecontrol by absorption 吸聲噪聲控制noisecontrol by barriers 隔(擋)板噪聲控制noisecontrol by enclosure 密閉噪聲控制 返回 noisecontrol