These structures had been detected years earlier by echo-sounding instruments, but they had never been penetrated in the course of drilling.
这些结构在早些年曾被回声探测器探测到,但是它们从未被钻探过。
The economy grew at a very robust-sounding 8.7% last year and is predicted by many to be on course for similar growth in 2010.
经济增长去年达到了8.7%,[步伐]非常铿锵有力,许多人预计2010年经济正朝着类似增幅迈进。
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