She also devised a method by which astronauts, with one star observation checked against a star chart, could tell where they were.
她还设计了一种方法,宇航员可以根据星图对一颗恒星进行观测,从而确定自己的位置。
单词 | star observation |
例句 |
原声例句
经济学人(汇总) She also devised a method by which astronauts, with one star observation checked against a star chart, could tell where they were. 她还设计了一种方法,宇航员可以根据星图对一颗恒星进行观测,从而确定自己的位置。 |
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