The UK Centre for Tobacco Control Studies has written to the British Board of Film Classification (BBFC) asking it to do just this to protect children from "particularly harmful imagery".

英国烟草控制研究中心已经将致信英国电影分级委员会（BBFC）要求提高级别，以便能保护青少年远离“有害影像”。

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Based on the main Board of physical fault classification, and then analyze the causes of physical and computer main Board, the common maintenance.

本文从主板的物理故障分类入手，分析了计算机主板发生物理故障的原因，介绍了常用的维修方法。

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The board strips surface defects inspection and classification can dedicate not only to the theory but also to the economical values.

对板带材表面缺陷图像的识别与分类进行研究具有重要理论及经济价值。

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Previously, additional ratings were decided upon by the British Board of Film Classification (BBFC).

BBC: Person buys Grand Theft Auto IV

The British Board of Film Classification's successfully argued that the game had been approved for release on a misinterpretation of the law.

BBC: RELATED BBC SITES

She wants books and videos used for sex education to be given a rating by the British Board of Film Classification before they are used in schools.

BBC: Sex education books must be vetted for content, says MP