常見例句In 2003 teams led by Sergei Levshakov of the Ioffe Physico-Technical Institute in St.Petersburg, Russia, and Ralf Quast of the University of Hamburg in Germany investigated three new quasar systems. 在2003年，俄國聖彼得堡約費物理技術(shù)研究所的列弗沙可夫（SergeiLevshakov）與德國漢堡大學(xué)的奎斯特（RalfQuast）所領(lǐng)導(dǎo)的團隊，研究了三個新的類星躰系統(tǒng)。Jan Quast 尅比斯Quast constant curvature space 擬常曲率空間 返回 Quast