新华称，蔡补充说，应立即采取措施净化互联网环境。
"Immediate action is needed to purify the Internet environment, " Cai added, according to Xinhua.
最后，免费杀毒软件为广大网民树立了正确的互联网安全理念，净化了网络安全整体环境。
Finally, free antivirus software for the majority of Internet users to set up the correct Internet safety concept, purified network security integral environment.
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