由于采用了道尔比环绕立体声技术（Dolby Sound sterso），很明显，今联KDM-219在参数上，就领先于市场同类产品，提供给人了身临其境的的环绕立体声音响效果，声音非常温暖，而不是普通电...
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该隐声技术也能影响非线性的声音现象。
The cloaking technology also may affect nonlinear acoustic phenomena.
光声技术由于其高灵敏度的特性目前被广泛应用于痕量气体检测领域。
Photoacoustic technology is widely used in fields of trace gas detection due to its high sensitivity.
本文提出一种利用光声技术同时在线测量CO浓度和烟雾消光的非接触式方法。
This paper presented a new non-contact method to meter co concentration and smoke optical density simultaneously and online based on photoacoustic technology.
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