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自上世纪七八十年代以来,我国的安全防范行业平均以15%至30%的年增长率迅速发展。截止到2005年年底,我国安全防范行业的企业总
Since the seventies and eighties of last century, the security industry in our country has been growing rapidly with an average annual growth rate of 15% to 30%. As of the end of 2005, China’s security industry’s total enterprises