Find a credible source you can trust such as your governor's office, local or state public health agencies or the National Weather Service.

找一个你信得过的信息来源，如地方办公室，地方或州的公共健康机构，或者国家气象局。

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Several public health agencies in Canada therefore undertook four additional studies during the summer of 2009 to investigate further.

因此，2009年夏天，加拿大的几家公共健康机构就四方面进一步展开研究。

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At the same time, WHO's China country Office and other public health agencies in China worked hard to raise awareness inside the country itself.

同时，世卫组织驻华代表处和中国其他公共卫生机构也努力工作，提高国内的认识。

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ESRI's rivals have made inroads into its stronghold in government and public health agencies.

FORBES: Map Mania

"The answer is dependent on how the major stakeholders, public health agencies, community physicians, patient advocacy groups, FDA, and other regulatory agencies think of this, " said Howard Jaffe, president of the Gilead Foundation, a charitable giving arm of Gilead Sciences, and a co-author on the paper.

WSJ: Daily Pill Slashes Risk of HIV Infection in Study

And toward that end, the Cabinet members and I sat down with 229 groups -- not just individuals, representing groups -- 229 groups from law enforcement agencies to public health officials, to gun officials, to gun advocacy groups, to sportsmen and hunters and religious leaders.

WHITEHOUSE: The White House