超光速: faster-than-light; super velocity of light; superluminal motion; ultra light velocity光速度: velocity of light光速率: optical speed光速面: ray-velocity surface光速圈: speed of light circle光速侠: lightspeed光速写: lightscribedin感光速度: din speed比光速还快: faster than the speed of light测定光速: determine the speed of light how high a mountain is超光速航行: faster-than-light超光速粒子: tachyon超光速膨胀: superluminal expansion超光速运动: superluminal motion等光速方向: direction of equal ray velocity调频光速: frequency modulated beam感光速率: speed光速摆动: beam wobble光速半径: velocity-of-light radius光速测距仪: geodimeter光速飞跃车: raimais (japan)光速或声速: velocity of light or sound光速角度: angle of beam光速可理: variable speed of light光搜索: optical search光伺服定位系统: optical servo positioning system