astronomical background造句
造句与例句手机版
- Abstract : this paper analyzes the astronomical backgrounds , such as the positons of celestial objects , variation in the earth rotation and solar activities , etc . , for the recent three moderate and strong earthquakes from chengjiang earthquake to qiubei earthquake in yunnan province
文摘:分析了澄江地震至丘北地震期间云南发生的3次中强震时的天体位置、地球自转与太阳活动等天文背景。 - It's difficult to see astronomical background in a sentence. 用astronomical background造句挺难的
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