physical hazard 物质危险 ; 物质风险因素 ; 实质危险因素
general physical hazard 一般物理性公害
physical hazard and anxiety 身体伤害和焦虑
microorganism and physical-chemical hazard alalysis 微生物及物理化学危害
There is growing concern that not only low physical activity but probably also sitting and sedentary behaviour is an important and new health hazard of our time.
引起越来越多的担忧的不仅仅是体育锻炼时间少，久坐行为也是我们这个时代新的重大健康隐忧。
The paper analyzed the characteristics of expansive soil physical mechanics and hazard to engineering, proposed relative measures of building expressway in expansive soil zone.
该文分析了膨胀土的物理力学特性及对工程的危害，并对在膨胀土地区修建高速公路提出相应的综合防治措施。
Securityis that one is in a free state and measures without physical hazard and mental panic.
安全是指无物质危险和无精神恐慌，使其处于自由的状态和措施。
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