As an example, specialty medical equipment such as lasers can be sold at very different prices depending on the use or who it is being sold to.

例如，像激光器这样的专业药物设备卖价是各有不同的，这取决于设备用途和购买群体。

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L Used for green technology, such as battery-charged cars and wind turbines; in laptops, flat-screen TVs and mobile phones; for lasers; and for medical equipment, such as MRI scans.

l稀土金属广泛应用于绿色科技，比如说可充电汽车、风力涡轮机、便携式电脑、平板电视、移动电话等产品，还可应用于激光，医疗设施，比如核磁共振扫描等。

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Another method of communication could be through the use of incredibly powerful pulsed lasers, such as those now being developed for nuclear fusion reactors.

另一种通讯方法可能是使用诸如现在为核聚变反应堆开发的那些非常强大的脉冲激光器。

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Directed energy weapons such as lasers and particle beams, (either ground-based or space-based, having sufficient power to damage satellites or their sensors).

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It is quite possible that technologies being developed for other purposes (such as lasers, which are useful for all sorts of advanced materials processing) will make the process cheaper and easier still.

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Observatories such as GEO 600 bounce lasers down long tunnels, hoping to pick up the fantastically small disturbances the waves should generate as they pass through the Earth.

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