Over almost 12 hours, the 98m-tall Space Launch System was carried vertically from the Vehicle Assembly Building on the 4-mile (6.5km) journey to the pad.
论文显示，Silica 采用两类体素写入方式：一种是基于折射率各向异性的双折射体素，另一种是基于折射率变化的相位体素。
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