Communication method, emission device, emission method, receiving device and receiving method.

通讯方法，发射装置，发射方法，接收装置和接收方法。

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We have fabricated a diode emission device with this method. Another kind of conventional CNT cathode is the arrays directly grown on substrate.

采用反粘的方法制备了碳纳米管阵列底部构成的发射体，提高了其表面均匀性；

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The treated carbon nanotube mat results in improved field emission performance as either a field emission cathode or as part of a field emission device.

经处理的碳纳米管垫无论作为场发射阴极还是场发射装置的一部分均具有改进的场发射性能。

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Before the laser, scientists developed a similar device: a maser which stands for Microwave Amplification by Stimulated Emission of Radiation.

VOA: special.2010.09.01

The Positron Emission Tomography (PET) scanner is an accurate imaging device that zones in on tumours, helping with detection and diagnosis.

BBC: Cancer device in use in Cardiff after two-year delay