Travel Wave Tube is the one of core part of transmitter in radar.

行波管是雷达发射机中的核心部件之一。

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Methods Use a standing wave tube to measure the sound absorption coefficient of many kinds of grain.

采用驻波管法测量了多种粮食的吸声系数。

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Carbon nanotube (CNT) arrays have prominent advantages for travelling wave tube (TWT) as cold cathode application.

碳纳米管阵列用于行波管冷阴极具有显著的优越性。

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Less dramatic slowing of the wave causes the surf to spill back down the face of the wave instead of forming a tube.

ECONOMIST: On the beach

The surfer, standing in the tube, or just in front of the break, slides down the wave like a skier, while the wave, and the buoyancy of the surfboard, bear him upwards and forwards.

ECONOMIST: On the beach