港股: 升569點收市
日期： 2009-07-23 HKT 16:06
恒指收報19817點，升569點，升幅2.96%，主板成交740億。
VR technology allows users to enter a fully immersive digital environment,
usually through a headset or other type of device.
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Virtual reality (VR) and augmented reality (AR) technologies have been
around for several years, but they are expected to become more widely used
and acc...
1 年前
