... 激光水准仪,激光能级 laser level 激光下能级 lower laser level 激光低能级 terminal laser level ...
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laser lower level 激光下能级
lower r laser level 激光下能级
Lower Energy level laser 低能量激光
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The rate equations for a continuous four level laser are solved in this letter, taking into account the finite lower level lifetime and the crystal field splitting of the laser levels.
在考虑了有限的下能级寿命和激光能级与晶格场的相互作用的基础上，对四能级激光的速率方程组进行了求解。
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