9. LWY: What is the application scope of star bonding ( single point grounding) and meshed bonding ( multipoint grounding) networks. What items need to be noted between them?

• 星状等电位连接（单点接地）和网状等电位连接（多点接地）网络的应用范围是什么，他们之间需要注意什么？收藏指正