Because,this is DVD the CD all domains (Laserdisc) unified promotion is higher density and complete digitlization.
英
美
- 这是因为DVD把所有领域的光盘（Laserdisc）统一提升为更高密度和全数字化。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
