什么是不描述是一个巨大的球状晕无形的暗物质主导的大规模的银河，以及运动明星远离中心。
What is not depicted is a huge spherical halo of invisible dark matter that dominates the mass of the Milky way as well as the motions of stars away from the center.
网络结点坚固，不滑移，球状塑料避免了网络直接触及地面，减少磨损，延长网络使用寿命。
The network bonding point is firm, but is not slip. The ball shaped plastic avoids the network contacting floor directly, and reduces abrasion, further prolonging the net service life.
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