By doing so, I got a photo with normal exposure.
如此就可以得到一张曝光正常的照片。
One normal exposure, the second underexposed and the third overexposed.
一张普通曝光，第二张低曝光和第三张高曝光。
Current normal background exposure is not expected to affect human health on average.
目前，正常环境的接触总体上不会影响人类健康。
But that's still less than the radiation encountered in normal yearly exposure to X-rays.
仍然低于每年一次普通X光照射的辐射量。
Breathing rate increases to 50% above normal level. Prolonged exposure can cause headache, tiredness.
呼吸频率增加到正常水平以上50%。持续暴露会导致头痛、疲劳。
Normal individuals will cool the skin and may experience some skin mottling on cold exposure.
正常人遇冷后，皮肤将发凉，可有一些皮肤呈斑点状。
Storage in a dry, ventilated place under normal temperature. Avoid direct sun exposure.
在常温、干燥通风处密封保存，避免阳光照射。
Storage in a dry, ventilated place under normal temperature. Avoid direct sun exposure.
在常温、干燥通风处密封保存，避免阳光照射。
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