“population II”的概念、定义、翻译、参考文献-科学参考

单词	population II
释义	population II [´päp·yǝ`lā·shǝn `tü] ^ASTRONOMY A class of stars which are relatively old and evolved, have low metallic content and high peculiar velocities from 60 to 300 miles (100 to 500 kilometers) per second, and are found chiefly in the spheroidal halo of a galaxy. Also known as halo population.
随便看	astrodome astrodynamics astrogation astrogeodetic astrogeodetic datum orientation astrogeodetic deflection astrogeodetic leveling astrogeodetic undulations astrogeology astroglia astrograph astrographic position astrograph mean time astrogravimetric leveling astrogravimetric points astroid astrolabe astrometric binary star astrometric position astrometry astron Astron accelerator astronaut astronautical engineering astronautics

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