The Control of the Pollution of electronic products is the following methods aims to decrease and avoid the poisonous and harmful substances or elements contained in electronic products.
电子信息产品污染控制，是指为减少或消除电子信息产品中含有的有毒、有害物质或元素而采取的下列措施。
Formed by various means, the image is received by direct imaging, electronic processing, or a combination of these methods.
这种物像可用各种方法形成，可直接造像、电子处理，或结合这两种方法。
The highly sophisticated electronic methods rely on either light or radio wave propagation.
较复杂的电子技术是利用光或无线电波传播。
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