“femtosecond laser”的概念、定义、翻译、参考文献-科学参考

单词	femtosecond laser
释义	femtosecond laser Encyclopedia 理学后补（2）释 femtosecond laser飞秒激光持续时间小于100飞秒的超短脉冲激光。又称超快激光。飞秒（fs）是一个时间单位，定义为千万亿分之一秒（10-15秒）。
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