当前，海底电缆地震技术在浅海和极浅海海域地震采集中显示出极大优越性。
Seismic sea-bottom cable technology has showed a great advantage to seismic acquisition in shallow or extreme shallow sea area.
问：据报道，印尼苏门答腊海域发生7.2级地震，已造成数百人伤亡，中方对此有何评论？
Q: it's reported that an earthquake with a magnitude of 7.2 rattled the Indonesian island of Sumatra, causing hundreds of casualties. Do you have any comment?
发生在10月1日上午的这场地震达到里氏6.9级，地震发生海域距离昨日更为强烈地震的震中180英里。
Today's quake, of magnitude 6.9, struck in the early hours about 180 miles from the epicentre of yesterday's more powerful tremor out at sea.
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