For example, if the fight requires the group to frequently move out of hazard zones that are spawning randomly, this would be a Type a challenge.

例如如果战斗需要团队频繁的移动避开随机刷新的危险区域，这就属于A类挑战。

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This compared with 35 deaths (5.5 per cent) from coronary heart disease or stroke in the non-aspirin group (hazard ratio 1.23).

非阿司匹林组，35人(百分之五点五)死于冠心病或中风(危害比为1.23)。

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Taught in a group setting, these courses cover the basics of tree hazard assessment, line placement, ascending, descending and moving around in the canopy.

这门课程为团体教学，包含树木危险性评估、绳索放置、上升、下移、树木自由移动的基本知识。

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Certain findings that seem to point to the existence of a hazard have been trumpeted by groups like the Environmental Health Trust and the BioInitiative group.

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