Yet, each year millions of Americans strive for that perfect tan and even spend their hard earned money to purposefully expose themselves to artificial sources of ultraviolet radiation.
然而，每年都有数百万计的美国人为完美的棕色皮肤奋斗，甚至用他们辛苦挣来的钱让他们暴露于人工的紫外线辐射源。
Microclimatic factors including solar radiation, temperature, humidity, and wind and so on in artificial rainforest were studied.
以纯胶林、胶茶人工林及旷地为对照，分析了人工雨林的小气候效应。
Conclusions: Artificial saliva and Chinese traditional medicine are effective for radiation xerostomia, and they can improve the quality of life for patients with salivary gland dysfunction.
结论：使用人工唾液和中药能减轻放射性口干，促进唾液腺功能的恢复，提高患者的生活质量。
Artificial damping boundary is adopted in seismic model test of arch dam on shaking table to simulate the radiation damping effect due to energy dissipation in infinitive foundation.
在振动台上进行拱坝动力模型试验时，设置人工阻尼边界，以模拟地震时地震动能量向无限远域地基逸散的地基幅射阻尼效应。
The use of infinite elements for modelling wave radiation eliminates the effects of artificial reflection of waves from finite element boundary, therefore the computational accuracy can be assured.
无穷元的应用消除了波在有限元边界上人为的反射效应，保证了数值解答的计算精度；
The use of infinite elements for modelling wave radiation eliminates the effects of artificial reflection of waves from finite element boundary, therefore the computational accuracy can be assured.
无穷元的应用消除了波在有限元边界上人为的反射效应，保证了数值解答的计算精度；
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