科学家们也用钻孔的针头来采取样本。
先在塑料板上要钻孔的地方切一个小十字。
Just cut a small cross in the plastic at the spot you will drill.
它优化了从湖底稳定取样、并保证从湖底沉积层取样的连续性，并最小程度上减小了冒气对钻孔的破坏。
It optimises the chances of recovering an undisturbed, continuous sedimentary sequence from the lake floor and minimises the potential for trapped gases to gain entry to the borehole.
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