Secondly analyzes the environmental monitoring content, and summarizes the problems in environment monitoring, and finally puts forward some corresponding improvement measures.

其次分析了环境监测的内容，并归纳了环境监测中存在的问题，最后提出了相应的改进措施。

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Therefore, many developed countries (for example the US, Europe and Canada and so on) take BTEX in the atmosphere as the routine monitoring content, and has stipulated its strict air quality standard.

许多发达国家(如美国、欧洲和加拿大等)已把大气中BTEX作为常规监测内容，并规定了其空气质量标准。

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Fast-forward one year and that connection led Basich to a dream job as content marketing manager for a social media monitoring technology firm.

一年转瞬即逝，这种不间断的联系让特丽萨获得了自己梦寐以求的工作，一家社交媒体监督技术公司的市场经理。

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That tightened control has also allowed high-level monitoring of content.

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An article on TorrentFreak reports that PayPal is requiring private BitTorrent tracking sites to provide them free access for purposes of monitoring user content for possible copyright infringement.

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Tudou had to shut down for a day in 2008 in an apparent attempt to show censors the company was serious about monitoring its own content.

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