M104's spectacular dust rings harbor many younger and brighter stars, and show intricate details astronomers don't yet fully understand.
M104的壮观尘埃环是许多年轻明亮恒星的诞生地，并且还显示了一些天文学家也无法理解的复杂细节。
2
The turning process of carbon-graphite M104 seal ring is focused, and the comparative experimental study on conventional machining and laser-assisted machining are performed.