光初（或作佐初；318年十月—329年八月）是十六国时期前赵政权刘曜的年号，共计12年。
这种效应被称之为“回光”，揭示了自2002年初V838 Mon亮度在几周内突然增大后从未被观测到的尘云图案。
The effect, called a light echo, has been unveiling never-before-seen dust patterns ever since the star suddenly brightened for several weeks in early 2002.
最近疫情大爆发：在2009年年初，脊膜炎大暴发导致3个国家的1900人死亡——光尼日利亚就有1500人。
Current outbreak: Since the beginning of 2009, a meningitis outbreak has killed more than 1,900 people in the three countries — 1,500 in Nigeria alone.
最近疫情大爆发：在2009年年初，脊膜炎大暴发导致3个国家的1900人死亡——光尼日利亚就有1500人。
Current outbreak: Since the beginning of 2009, a meningitis outbreak has killed more than 1, 900 people in the three countries — 1, 500 in Nigeria alone.
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