求翻译：2）基础应用型部分：安全防范系统（公共区域视频监控、防盗报警、巡更、伤残厕所求助系统），门禁系统，卫星及有限电视系统，背景音乐、应急广播系统，LED信息发布系统，停车场管理系统。是什么意思？

2) The basic application parts: security systems (public areas, video surveillance, burglar alarm patrol, disabled toilet alarm system), access control systems, satellite and cable TV systems, background music and emergency broadcasting system, LED information system car park management system.

2) application-oriented basis: security guard system (public video surveillance, intrusion alarm, guard tour, the disabled toilet alarm system, access systems, satellite and cable TV system, background music, emergency broadcast system, LED information publishing system, parking management system.

正在翻译，请等待...

2) base part: security system (video surveillance, burglar alarm and patrol the common areas, disabled toilets help system), access control systems, satellite and cable TV systems, background music, emergency broadcasting system, LED information release system, parking management system.

正在翻译，请等待...