近两年来，主要在消费类电子产品和娱乐产业市场的推动下，三维电视及相关产品获得了长足发展，但其技术仍然有很大的局限性。
Three-dimensional television and the like got a major marketing push nearly two years ago from the consumer electronics and entertainment industries, yet the technology still has major limitations.
在消费者层面，电子商务最主要在万维网上进行。
On the consumer level, electronic commerce is mostly conducted on the World Wide Web.
本文主要在理论上研究了高温等离子体中相对论电子的集体行为。
My thesis is mainly related to the collective behavior of the relativistic electrons in the hot plasma.
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