很少量的这种菌群是很难清除的。 此外，它们与低流量水流一起作用，可能促进细菌增长。

And that, combined with the low water flow, is probably promoting the growth.

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数值结果表明，地下洞室群对附近地面运动具有显著的放大作用。

It is shown that underground group cavities significantly amplify the surface ground motion nearby.

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结论正常肠道的菌群对血脂代谢以及高脂血症的治疗起着重要作用。

Conclusion the normal flora in intestinal is very important to fat metabolism and drugs therapy.

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结论正常肠道的菌群对血脂代谢以及高脂血症的治疗起着重要作用。

Conclusion the normal flora in intestinal is very important to fat metabolism and drugs therapy.

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