As portable screens become more powerful, lighter and larger, they will be used to view more of this inner world.
当手持的屏幕功能变得更强大，质量变得更轻，块头变得更大，它们将被用来观察内部虚拟世界的更多东西。
2
The "SV" in this watch's name stands for "sapphire Vision", used to describe the unparalleled view of the machine's inner workings below a clear sapphire case.
Since this is an inner join, this view has no rows for records that appear in Wells but not in wells_pts (because they have null or invalid coordinates).