安防系统的发展是从2000年后才真正被重视起来。随着近十年的发展及投入,安防系统的规模不断扩大,应用领域也越来越广泛,在安全防范中发挥出巨大的作用。 Security system development is from 2000 after the real attention. With the development and investment in the past decade, the scale of the security system has been constantly expanded and the fields of application become more and more widespread, playing a significant role in security prevention.