Conclusion:It is simplicity and directly that to distinguished the stage of MDS with bone marrow biopsy; and for the cases of dry tap bone marrow aspiration was more useful.

结论：骨髓活组织检查对于骨髓增生异常综合征（MDS）的阶段划分直观、明了，尤其在骨髓干抽病例更有其优越性；

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Geothermal power stations tap aquifers heated by contact with hot rocks in volcanic regions-or, in hot but dry spots, they pump water past such rocks to heat it up.

地热发电厂利用火山地区——或者地温高且干燥的地点——的干热岩体传导热能给含水层畜热，然后将水注入含水层利用热岩体对其加热并使之汽化。

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But even before the tap went dry, it was tough for Gallanter, one of a handful of women venture capitalists.

FORBES: Alley Cat

But it was tough for Gallanter, one of a handful of women venture capitalists, even before the tap went dry.

FORBES: Alley Cat

Now, though, the stimulus tap has run dry.

ECONOMIST: The public sector is still hobbling the economy