这个由多种生物构成的复杂环境，充满风险和防护因子，仍然还无法具体描绘。
The biological components of this complex landscape of risk and protective factors remain largely uncharacterised.
蕴涵纳米防护因子：隔离空气的污染及紫外线的的伤害，保护肌肤。
Contain nano protection factor, can separate the atmosphere pollution and ultraviolet radiation and then keep the damage away from your skin, finally it can protect your skin.
本品独特的防护因子结构可阻挡空气中悬浮的灰尘、杂质等有害物质对皮肤的污染和伤害。
This product, with its structure of special protection factors can prevent harmful substances such as dust and other mixture from polluting and damaging the skin.
防晒因子30能让你比只依赖你的天然防护系统多呆30倍的时间，也就是阻挡97%的紫外线，而防晒因子15则能阻挡93%。
An SPF 30 gives you 30 times your natural protection, and deflects 97 percent of the sun's burning rays, whereas SPF 15 deflects 93 percent.
方法用在标准剂量学实验室校准的方法，获得不同类型防护仪的校准因子和测量结果的相互关系。
Methods the calibration of the survey meter in SSDL should be done for determination of the relation of different reading-type survey meters as well as the correct factor of it.
目的探讨角质细胞生长因子(KGF)的辐射防护作用与机制，为应用KGF防护肠道辐射损伤提供实验依据。
Objective to study radioprotective effect and the mechanism of keratinocyte growth factor (KGF) on irradiation induced intestinal epithelial cell line no.
目的探讨角质细胞生长因子(KGF)的辐射防护作用与机制，为应用KGF防护肠道辐射损伤提供实验依据。
Objective to study radioprotective effect and the mechanism of keratinocyte growth factor (KGF) on irradiation induced intestinal epithelial cell line no.
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