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Recent experimental evidence has shown that laser pulses tuned to the right frequency can kill certain viruses.

最近的实验证据表明，调到适当频率的激光脉冲可以杀死特定的病毒。

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The coils all get tuned to the right operating frequency and electricity is transferred to them using a switch-mode controller.

当这些线圈被调节到合适的操作频率，电流就可以通过一个开关控制器转换给这些线圈。

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The DA-F60 incorporates neodymium magnets and a passive radiator to produce results typically found in high-end Hi-Fi audio systems, including tuned low-frequency reproduction and virtually no distortion even at high volumes.

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Quartz watches use very high-frequency oscillations of a crystal, which can be tuned with extreme precision to produce regular signals.

ECONOMIST: A luxury watchmaker is putting silicon in its timepieces

And Project SHIELD provides fidelity and dynamic range never before available on a portable device, through its custom, bass reflex, tuned port audio system -- with twice the low-frequency output of high-end laptops.

ENGADGET: NVIDIA unveils Project Shield, a Tegra 4-powered Android gaming handheld