词汇	radio-frequency ray
释义	radio-frequency ray 射频射线
随便看	direction indicator direction indicatordi direction indicator for vehicle direction indicator lamp direction indicator light direction indicators direction information direction information measure Direction Information Measures direction in map-making direction in mineral prospeeting direction in polymer direction in space direction instrument direction instrument theodolite direction investigation direction isolation method direct ionization direct ionizing radiation direction judgment direction-judgment direction key directionkeys Direction leaching directionless