apparent superluminal velocity

例句：

1. 1. The spacecraft's apparent superluminal velocity is measured in kilometers per second.
   这个宇宙飞船的明显超光速速度是以每秒多少公里来测量的。
2. 2.The theory of relativity states that an object's apparent superluminal velocity can be explained by the speed of light.
   相对论理论表明，物体的明显超光速速度可以通过光速来解释。
3. 3.The scientists were surprised to find that their proposed method could not explain the apparent superluminal velocity of the star.
   科学家们惊讶地发现，他们提出的这个方法无法解释那颗星的明显超光速速度。