ground-based astronomy造句

例句与造句

1. The report comes from a committee tasked with shaving $ 30 million from the nsf ground - based astronomy budget ? about 15 % of the total budget for the nsf ' s division of astronomical sciences
   该报告出自一个以从国家科学基金地基天文学预算中削减3千万美元? ?大约占到国家科学基金天文科学部门总预算的15 % ? ?为任务的委员会。
2. It's difficult to find ground-based astronomy in a sentence. 用ground-based astronomy造句挺难的