片语
kilometric scale公里价率表
Auroral Kilometric RadiationAuroral kilometric radiation (AKR) is the intense radio radiation emitted in the acceleration zone (at a height of three times the radius of the Earth) of the polar light The radiation mainly comes from cyclotron radiation from electrons orbiting around the magnetic field lines of the Earth.
unit oneth kilometric indicating drum个位公里里程记录鼓
kilometric wave千米级波
kilometric fault短线故障