Dark lines and a narrow spontaneous line may be produced in isotropic PBG.
各向同性PBG中,自發輻射譜出現了暗線和窄的自發輻射線.
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A novel photonic band gap ( PBG ) structure is presented in this paper.
提出一種新型微帶光子帶隙結構.
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Performance Bond Guarantee: 2 % operative PBG to be issued by Seller.
履約保函: 由賣方開出[合同總金額的]2%有效履約保函.
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