在过去的一个世纪中，白炽灯泡一直为人造灯源的基本产品；但现在，耗能惊人的白炽灯泡注定将被由半导体驱动的发光二极管(LED)所替代。

After a century as a primary source of artificial light these energy-guzzling bulbs are set to be replaced by light-emitting diodes (LEDs), powered by semiconductors.

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无论是布什的关税计划，还是里根时期对日本汽车和半导体的进口限制，基本上，他们还是信守自由贸易承诺的。

Mr Bush’s tariffs, like the Reagan-era export restraints on Japanese cars and semiconductors, came from a president who was fundamentally committed to free trade.

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半导体计数器的基本原理还是旧的。

The idea underlying the semiconductor counter is old.

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