他说，辐射水平升高听起来很危险，但是没有对海洋生物和人类造成直接的危害。
While the elevated levels sound dangerous, there is no direct damage done to sea life or humans from it, he said.
已经达到危险级别的辐射污染使核电站工作人员和紧急反应人员无法安全地接近设施中四座受损反应堆，控制火势和评估危害程度的工作无法进行。
Dangerous levels of radiation are preventing nuclear workers and emergency responders from safely approaching the facility's four reactors to control fires and assess the extent of damages.
通过对其危害辩识、危险评价和危险控制措施进行分析，为电磁辐射防护提供了一种新的研究方法。
An new way to study protection from electromagnetic radiation based on the analysis of hazard identification, hazard evaluation and hazard control actions is presented.
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