If something is a hazard for which are you not getting an exposure, there is no risk.
如果你并没有暴露在危险物中，就没有危险。
Oxygen concentrations in excess of 23% increase the hazard exposure to personnel and material.
氧浓度超过23%增加了暴露于其中的人员和材料的危险。
Noise exposure in the work-place is the most common preventable hazard to hearing.
工作场所发出的噪音是最常见的可防性听力公害。
Deterministic effect is principal health hazard of interest after radiation accident exposure.
确定性效应是辐射事故中主要关心的健康危害。
Deterministic effect is principal health hazard of interest after radiation accident exposure.
确定性效应是辐射事故中主要关心的健康危害。
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