Что думаешь? Оцени!
Екатерина Щербакова (ночной линейный редактор)
。关于这个话题，搜狗输入法下载提供了深入分析
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Some smoke alarms have been designed to be ultra-sensitive. Aspirating devices, for example, constantly suck in air in order to detect even small quantities of smoke in a room. They are often used in commercial settings, including server rooms packed with expensive computer tech.
Pulse-Code Modulation (PCM) — MDN Web Docs