在美国，应用最早的天文台有加利福尼亚州圣荷西市的利克天文台，威斯康辛州威廉斯湾的叶凯士天文台。
In the U.S., observatories such as Lick in San Jose, Calif., and Yerkes in Williams Bay, Wisc., were among the first to show the uses of big observatories.
在美国，应用最早的天文台有加利福尼亚州圣荷西市的利克天文台，威斯康辛州威廉斯湾的叶凯士天文台。
In the U.S., observatories such as Lick in San Jose, Calif., and Yerkes in Williams Bay, Wisc., were among the first to show the uses of big observatories.
应用推荐