dual hologram

例句：

1. 1. The dual hologram technology is the key to unlocking the future of virtual reality.
   双全息技术是开启虚拟现实未来的关键。
2. 2. The museum has a special exhibit on the history of dual holograms.
   博物馆有一个关于双全息历史的特别展览。
3. 3. The scientist used a dual hologram to demonstrate the concept of time dilation.
   这位科学家用一个双全息图来展示时间膨胀的概念。