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〔激光理论与技术〕
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active medium
激活介质
激光获得增益的物质体。又称增益介质、激光介质。
Physics
光学、声学
光学
active medium
激活介质
active medium
激活介质
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first isodynamic point
first isogonic center
first isomorphism theorem
first item inspection
first kind
first kind perpetual motion machine
first Lagrangian point
First Lanar Day Drumming
first land-taxation method
First Latin American Episcopal Conference
first law of cosines
first law of isomorphism
first law of thermodynamics
first laying
first lemniscate constant
first Lemoine circle
First-look Deal
first loss insurance
First Love
first magnetization peak effect
first main theorem
first mathematical theorem of quantum mechanics
first mean value theorem
first mean value theorem of integral
First Meeting at Lantern Festival
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