例句與造句

1. By studying their abundances in open cluster stars, variables such as age and chemical composition are fixed.
2. In the 20th century, understanding the dynamics of globular cluster star systems became an important " n "-body problem too.
3. The study of the abundances of lithium and beryllium in open cluster stars can give important clues about the evolution of stars and their interior structures.
4. Further, the morphology of the cluster stars in a color-magnitude diagram, and that includes the brightnesses of distance indicators such as RR Lyrae variable members, can be influenced by observational biases.
5. Professional work at the observatory has included photoelectric and visual timings of lunar and asteroidal occultations; photometric measures of variable stars, cluster stars, and spectroscopic binaries; and astrometry of minor planets and comets.
6. It's difficult to find cluster star in a sentence. 用cluster star造句挺難的
7. However, the above-mentioned historic process of determining the age and distance to globular clusters is not as robust as first thought, since the morphology and luminosity of globular cluster stars in color-magnitude diagrams are influenced by numerous parameters, many of which are still being actively researched.