Objective to investigate the transmission rules of SARS, to study the effects of corresponding prevention measures, and to provide evidence for the prevention and control.

目的探讨SARS在人群中的传播规律，研究预防措施对疾病传播的影响，为预防的控制SARS提供科学依据。

youdao

Be a Positive Part of the safety Team. Willingly accept and follow safety rules. Encourage others to do so. Your attitude can play a major role in the prevention of accidents and injuries.

成为安全团队中积极分子。欣然接受并遵守安全守则。并鼓励他人遵章守纪。你的态度在预防事故和伤害中能起到举足轻重的作用。

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The causes of conveyor-belt accidents happened in metallurgical enterprises are analyzed, the rules on the happening of accidents are discussed and some measures for the prevention are put forward.

分析了冶金企业皮带运输机在生产中发生人身伤害事故的原因，探讨了事故发生的规律，从管理、技术等方面提出了防范措施。

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And now under proposed new rules of the Prevention and Significant Deterioration program, EPA has expanded its regulatory reach way beyond mobile emissions authorized by the 2007 Supreme Court decision to control permitting of stationary sources as well.

FORBES: Magazine Article

The Environment Committee voted in October last year in favour of updating accident prevention rules for dangerous substance sites.

BBC: Dangerous substances debate