compressor expander 中文意思是什麼
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Analysis the sound quality effect by the frequency response of speakers. and put forward compensate the frequency response of speakers using equalizer. compressor, expander, limiter and noise gate are important for the audio system, this paper also introduce them, and describe how to use them
然後簡單介紹了音頻系統和組成，敘述了揚聲器的頻率響應特性及其對音質的影響，提出使用均衡器補償揚聲器頻響特性的方法；動態范圍壓縮器、擴展器、限制器在音頻系統中也起著重要的作用，本文也對其做出了介紹，並闡述了它們的用途和使用方法。 -
The plant completely of oxygen for medical according to the principle of refrigeration and circulation of the highefficiency. turbine expander, liquid oxygen pump replace oxygen compressor improve purity of oxygen, achieve state standard of medical oxygen
醫療用氧專用成套設備流程採用效率較高的透平膨脹機深度冷凍循環，液氧泵取代氧壓機提高了氧氣純度，達到國家醫用氧標準。
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