Current exposure sources include lead paint, folk remedies, glazed pottery, soil and drinking water in some urban areas with older housing.

目前仍然存在的暴露源包括：铅涂料、民间偏方、陶器、郊区的土壤和饮用水。

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Much of our current exposure to formal specification comes with our use of languages, like the Object Constraint language (OCL), to provide rigor to our specifications and UML diagrams. 4.

目前我们的正式规范方式和我们使用的语言，如对象约束语言(ocl)，提供了的关于规范和UML图的严格要求。

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Cancer: Current scientific evidence indicates that exposure to RF fields, such as those emitted by mobile phones and their base stations, is unlikely to induce or promote cancers.

癌症：目前的科学证据表明，对射频场，诸如移动电话及其基台发射的射频场的接触不大可能引发或促发癌症。

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Also, one-third of its long term contracts have now expired, increasing exposure to current market prices, which are significantly higher than existing contract averages.

FORBES: Rio Tinto's Earnings Show Cost Cutting Efforts And Demand Recovery Are Critical To Outlook

The current official advice is that exposure to wi-fi radio waves is comparatively low.

BBC: NEWS | UK | Magazine | Wi-fi worry

My wife, Marla, says that this is fine, as long as we balance it out with other things family dinners, discussions of current events, sports, exposure to art and nature.

NEWYORKER: The Other Place