When the instrument is situated at more than 700 miles from the earthquake centre, the graphic record shows three waves arriving one after the other at short intervals.
如果把这种仪器安装在距震源700多英里远的地方,曲线记录就能显示出前后相同的这3种地震波。
单词 | earthquake centre |
例句 |
原声例句
新概念英语.英音版.第四册(译文) When the instrument is situated at more than 700 miles from the earthquake centre, the graphic record shows three waves arriving one after the other at short intervals. 如果把这种仪器安装在距震源700多英里远的地方,曲线记录就能显示出前后相同的这3种地震波。 |
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