Some experts say the findings raise questions because the IQ losses were similar in the two groups despite the eightfold difference in their average level of exposure.
一些专家对这项发现提出问题因为尽管暴露的环境中多环芳烃含量有八倍的不同但是智商值的减少却相似。
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。
It makes no sense to compare average IQ scores of different populations because they are unlikely to have identical exposure to all of these factors.
比较不同种族的平均IQ水平是毫无意义的，因为他们不可能每个影响因素都相同。
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。
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)。
Even in the EU, average life expectancy is 8.6 months lower due to exposure to PM2.5 produced by human activities.
即便在欧盟国家中，由于暴露于人类活动产生的PM 2.5，人均期望寿命也减少8.6个月。
This is compounded by a lack of exposure to sunlight and the limitations of an average diet to meet the optimal need.
这是因为缺少晒太阳和日常饮食难以达到最佳需求量的局限综合造成的。
Compared to the 101 kids who breathed in the least secondhand smoke, the 361 with the most exposure scored an average of 44 percent higher on the questionnaire - 9.2 versus 6.4.
想比于吸二手烟最少的101个孩子，接触最多的361个在问卷中得分平均高出44个百分点——9.2比6.4。
Even in the EU, average life expectancy is 8.6 months shorter due to exposure to PM2.5, though the lung cancer rate has slightly decreased there in recent years, studies found.
研究发现，即使是在近年来肺癌发病率略微下降的欧盟国家中，其平均寿命也因为暴露在PM 2.5环境中的原因而缩短了8.6个月。
On average, the rash occurs 14 days after exposure to the virus (within a range of seven to 18 days).
皮疹在与病毒接触后的7到18天之间出现，平均天数是14天。
The United States has experienced a reduction of about 27 percent in the average annual exposure to fine particulate matter, with smaller declines in Europe.
美国人平均每年接触的细微颗粒物减少了约27%，欧洲的减少幅度较小。
By scientific measures, the average American gets 620 millirems of radiation each year, half from background exposure, and that number needs to reach 100,000 to be worrisome.
科学测量结果显示，普通美国人每年受到的辐射为620毫仑目，其中一半属于天然本底辐射，而低于100,000毫仑目的辐射完全不需要担心。
The adolescents reported an average of 5.68 hours of media exposure each day, including 2.3 hours of TV viewing per day.
这些青少年的回答表明他们每天媒体暴露的时间平均为5.68小时，其中包括了每天2.3小时的看电视时间。
This paper presents the successful use of multiple holographic interferometry in realizing the holographic real time double exposure (time average) interferometry.
提出了利用多重全息成功地实现实时-双曝光(时间平均)的全息干涉术。
For example, daily air quality warnings — like those sometimes issued in Beijing — do little to help the average person, since the real threat is exposure to dirty air over extended periods.
例如，北京每日的空气质量报告对普通人的帮助不大，因为长期暴露在肮脏的空气中才是真正的威胁。
The simulating result shows that the energy deposition distribution is average comparatively, and the exposure resolution is enhanced largely by using the corrected shot dose.
结果表明：采用修正后的剂量曝光，光刻胶中的能量沉积比较均匀，曝光分辨率有较大幅度的提高。
As a new grad, you may be more likely to accept a lower-than-average salary in order to gain experience and exposure to clients in your field.
作为一个新人，你可以接受低于平均水平的工资来积累经验，向客户充分地展示自己。
As a new grad, you may be more likely to accept a lower-than-average salary in order to gain experience and exposure to clients in your field.
作为一个新人，你可以接受低于平均水平的工资来积累文章，向客户充分地展示自己。
Conclusion as the working condition has been improved, the average morbidity age increased and the duration from dust exposure to development of silicosis prolonged year by year.
结论随作业条件的改善，尘肺患者的平均发病年龄逐年增高、发病工龄逐年延长。
Conclusion ECG and hearing in workers could be affected with long-term exposure to medium low intensity noise, even if the exposure average level was lower than the limited level of hygienic standard.
结论作业人员长期在平均噪声强度低于卫生标准下工作，仍可有一定程度的心电图改变和听力损失。
Another 40 workers with no exposure to dust or toxicants were selected as controls. 12 male smokers were 31.8 yr old on average; 8 male non - smokers 32. 3 yr old on average;
另选劳动强度相似、不接触尘、毒的机加工工人40名作为对照，其中男吸烟工人12名，平均年龄31.8岁，男不吸烟工人8名，平均年龄32.3岁；
The automatic brightness control system is another design. The design includes the average and peak area exposure measurement using FPGA.
自动亮度控制硬件系统作为设计的另一个环节，利用FPGA完成了峰值测光与区域测光的设计。
This camera has 2 types of exposure metering systems: center-weighted average metering and SPOT metering.
本相机有两种曝光测定系统：中央偏重测光和单点测光模式。
This camera has 2 types of exposure metering systems: center-weighted average metering and SPOT metering.
本相机有两种曝光测定系统：中央偏重测光和单点测光模式。
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