常見例句雙語例句The researchers suggest that there are many white dwarf stars throughout this halo.研究人員猜想,光暈內(nèi)到處有白矮星。We also describe the basic principle of white dwarf cosmochronology and its application in defining the age of the Galactic disk, globular clusters, open clusters and Galactic halo.介紹了白矮星宇宙紀(jì)年學(xué)研究的基本原理及其在銀盤、球狀星團(tuán)、疏散星團(tuán)以及銀暈?zāi)挲g確定方面的應(yīng)用現(xiàn)狀。 返回 halo dwarf