1·Chemical laser is characteristically energized by an exoergic chemical reaction.
化学激光器的特点是以释能化学反应提供能源。
2·Chemical laser is characteristically energized by an exoergic chemical reaction which produces the necessary population inversion of lasing species.
化学激光器是以释能化学反应提供能源，并且以化学反应产生粒子数反转为基础的。