2否定 发表于 2025-3-23 11:47:04
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http://reply.papertrans.cn/64/6388/638755/638755_13.png懒惰民族 发表于 2025-3-24 01:37:15
http://reply.papertrans.cn/64/6388/638755/638755_14.pngFLASK 发表于 2025-3-24 02:40:20
,One Artist’s Neurosis on Signing,. In previous experiments values of the quality factor as high as 3 × 10. have been achieved for the resonant mode, corresponding to an average lifetime of a photon in the cavity of 0.2 s. The photon lifetime is thus much longer than the interaction time of an atom with the maser field. The atoms usGenerator 发表于 2025-3-24 07:08:24
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Ilwoo Lyu,Sun Hyung Kim,Jessica Bullins,John H. Gilmore,Martin A. Styner valence band. The Coulomb attraction between the electron and the hole may lead to the formation of a hydrogen-like bound state, called exciton. Beside the relative motion of the electron and the hole within the exciton, the exciton as a whole has its center-of-mass momentum and kinetic energy. In安心地散步 发表于 2025-3-24 16:38:56
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sing economic interdependence between countries migration has become one of the important links. Many less developed countries (LDCs) accept migration of their workers to developed countries (DCs) because it reduces the pressure on unemployment, and remittances increase the capital inflow to the cou不怕任性 发表于 2025-3-25 01:17:50
W. T. Carnall,H. M. Crosswhitetanding of the subject and its fuction in allsectors of the economy.It examines the vital area of customerservice and shows how to implement a world class, integratedmaterials/logistics system that control activities starting with thesupplier, through the company operation, and concluding with thesa