The bulk of China's high-tech exports are actually low-margin commodity products such as personal computers and DVD players, assembled from imported components that account for most of their value.
中国大部分“高科技”出口品实际上都是低利润率的大宗商品，比如个人电脑和DVD播放机等，它们由进口的零件组装而成，这些零件占据了大部分的产品价值。
Soon more than 20 special computers were assembled and the school had its own computer room.
很快二十多台特制的黑白电脑组装完毕，学校有了自己的电脑室。
Soon more than 20 special computers were assembled and the school had its own computer room.
很快二十多台特制的黑白电脑组装完毕，学校有了自己的电脑室。
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