幫我翻近代物理這段的意思

a similar situation would be a row of headlight far away which are lit and then extinguished quickly in order . to a distant observer . this might appear to be a single light moving . and as there is no practical limit on the time between the lighting of successive headlights . this apparent single light could be... show more a similar situation would be a row of headlight far away which are lit and then extinguished quickly in order . to a distant observer . this might appear to be a single light moving . and as there is no practical limit on the time between the lighting of successive headlights . this apparent single light could be seen to move with an arbitrarily high speed
Update: 題目是:對一個電視映像管中的電子來說.已超過光速移動經過屏幕是可能的.為何這麼現...
上面那串英文是解答.但是看不懂= =
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