Exposure to UVB rays found in natural and artificial sunlight.
来自自然和人造阳光中的UV B射线照射。
In some parts of the world, levels of exposure to natural radiation differ due to differences in the local geology.
在世界上的有些地区，暴露在自然辐射下的程度会因为当地的地理原因而不同。
But the exposure is spot on, enhancing the natural glow of the evening, so the photographer should still feel very pleased with this image.
但是曝光准确无误，增加了夜晚的自然光线，所以摄影师仍应对这张照片表示满意。
Exposure to natural light or a bright artificial lightsource has been shown to be as effective as medication in treating somepeople with seasonal affective disorder.
在自然光或者明亮的人造光源下受照射已被证实是一种有效的治疗季节性情感抑郁症方法。
Natural search is a vitally important distribution option for Internet services that can’t rely on viral distribution because it can provide the same kind of massive consumer exposure at no cost.
其实，如果一个互联网应用不采用病毒式营销方式推广自己，那么自然搜索方式应该是不二之选了。因为自然搜索方式同样可以在毫无成本支出的情况下让网站得到最大程度的曝光。
Exposure to those chemicals, said Baillie-Hamilton, can damage the body's natural weight-control mechanisms.
Baillie - Hamilton称，接触了某些化学制品，会损害人体天然的体重调节机制。
The average American receives 360millirems of radiation each year, 300 from natural sources and 60 from man-made activities. (a rem is a unit of radiation exposure.)
平均每个美国人每年接收360毫雷姆的射线，其中300毫雷姆来自自然放射源，60毫雷姆来自人类活动(雷姆是射线强度单位)。
The average American receives 360 millirems of radiation each year, 300 from natural sources and 60 from man-made activities. (a rem is a unit of radiation exposure.)
平均一个美国人每年要受到360毫雷姆(毫雷姆：核辐射量单位)的辐射，其中300毫雷姆来自自然界，60来自人类活动。
To capture droplets in a natural setting requires an understanding of the correct exposure Settings and how to use your surroundings and light to create something compositionally interesting.
捕捉自然情境下的水滴要求懂得适当的曝光设置，了解如何利用环境与光线，营造有趣的构图。
This environment allows the researchers to measure the natural circadian rhythms of the individuals, which are normally reset daily by exposure to natural light.
暴露于自然光时，人体的昼夜节律每天都会重设。研究人员人为制造的封闭环境有助于判断志愿者自身的昼夜节律。
The facade combines glazing with vertical wooden shutters that can be opened to allow natural ventilation and maximum exposure to the garden in summer.
立面结合了垂直木质百叶窗和玻璃，可以打开，允许自然通风，而且在夏天还能最大限度地接触到花园。
Exposure to the morning sun is best for synchronizing the body’s clock with the Earth’s natural 24-hour cycle of light and dark.
沐浴在晨光中是使生物钟与地球的昼夜同步的最佳方法。
Have the right sunlight exposure. Daylight is key to regulating daily sleep patterns. Try to get outside in natural sunlight for at least 30 minutes each day.
接触适宜量的阳光。日光对调节你的睡眠风格十分重要。尽量每天出去晒至少30分钟的太阳。
Even after years of exposure, cedar can be refinished to its natural bright clean appearance.
即使在多年的接触，雪松，可抛光其自然明亮干净的外观。
"It is probably a long-term effect of early-life exposure to natural light that increases the chances of a child becoming short-sighted," he says.
“早期暴露在自然光线中可能会产生长期的影响，增加孩子患近视的可能性，”他说。
The rates of natural abortion, early birth, dystocia in high noise exposure workers were all slightly higher than the control.
自然流产、难产、早产发生率在高强度接触组有增高趋势。
For human beings, natural radiation is the main source of radiation. It is much more than the radiation exposure from all nuclear facilities for peaceful purposes.
天然辐射是人类所受辐射照射的主要来源，远大于用于和平目的所有核设施带给全世界人口的辐射照射量。
These results have provided useful bases for recommending reference dose of related natural radiation exposure, parameters of Chinese reference Man and background value of radiation monitoring.
这些结果为推荐我国天然辐射剂量参考值、我国参考人相应参数和辐射监测背景值提供了有用依据。
Depending on exposure to books and natural abilities, most children begin to read by age 6 or 7.
根据曝光的书籍和自然的能力，大部分的孩子开始读6岁或7。
This paper summarizes the quality assurance work of external exposure measurement for national survey of environmental natural radioactive level.
本文总结了全国环境天然放射性水平调查外照射测量的质量保证工作。
Physical scale models for the Yellow River (YR) can be used to reproduce, simulate and test the phenomenon that happened on the real YR, so they can facilitate exposure of the natural laws concerned.
物理模型黄河”（简称“模型黄河”）可对“原型黄河”所反映的自然现象进行反演、模拟和试验，从而揭示其内在的自然规律。
Recent decades, the issues concerning natural radiation exposure, NORM in short, have been paid close attention to.
近年来，对天然照射的控制问题越来越受到社会各方面的关注。
Thermoluminescence studies of meteorites suggest that the level of natural TL in meteorites is determined by competition between build up, due to exposure to cosmic radiation, and thermal decay.
陨石热释光研究揭示了陨石中自然TL值取决于陨石暴露在宇宙空间时的宇宙射线辐照和自身热衰变之间的平衡。
Occupational exposure from natural radiation should be controlled, such as to underground miners and air crew.
有必要控制天然辐射产生的职业照射，如地下矿工和航空机组人员。
Exposure to natural light and time spent looking at distant objects could be key factors, they said.
他们说，暴露在自然光线下和花时间看远处的物体可能是关键因素。
Have the right sunlight exposure. Daylight is important in regulating daily sleep patterns. Try to get outside in natural sunlight for at least 30 minutes every day.
有适当的日光。日光对于每天规律的睡眠模式很重要。试着每天半个小时到外面自然的日光中。
Have the right sunlight exposure. Daylight is important in regulating daily sleep patterns. Try to get outside in natural sunlight for at least 30 minutes every day.
有适当的日光。日光对于每天规律的睡眠模式很重要。试着每天半个小时到外面自然的日光中。
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