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据英国《每日邮报》报道，索尼公司宣布其标志性的便携式卡带音乐播放器(随身听)在连续生产30多年后将最终停产。
The Daily Mail of London: Sony has announced that it will no longer be making its iconic portable cassette player (Walkman) after more than 30 years of continual production.
本实用新型涉及岩体稳定性监测技术，特别是一种便携式岩体稳定性声发射连续监测仪。
The utility model relates to a stone stability monitoring technique, especially a portable stone stability sound transmission continuous monitoring instrument.
连续相位频移键控(CPFSK)信号广泛应用于便携式移动通信系统。
The Continuous Phase Frequency Shift Keying (CPFSK) signaling scheme has been widely used in mobile applications.
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