首个电致发光的产品可能是电灯泡，也许会在2012年面世，柯-苏列文博士表示。

The first electroluminescent products are likely to be light bulbs, which will probably be available from around 2012, he says.

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问题是，后者所采用的方式在目前却不够节能，柯-苏列文博士讲道。

The problem is that this latter approach is currently much less energy-efficient, says Dr Coe-Sullivan.

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柯林斯先生今天早上还在苏黎士。

Mr. Collins was in Zurich this morning.

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