Most of these micro-organisms cause no problem, and many, like the ones that normally live in the digestive tract and produce life-sustaining nutrients, are essential to good health.

大多数这些微生物不会引起任何问题，而且许多微生物，像那些通常寄生在消化道并产生维持生命的养分的微生物，对良好的健康是必不可少的。

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This research work has solved the problem of batch processing micro-optical elements. It is significance in developments of technology and economy.

这一研究基本解决了微光学元件的低成本批量生产问题，具有重要的技术和经济价值。

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The micro characteristic of problem is the universal characteristic that a single problem bears.

问题的微观特征，即单个问题所具有的普遍特征。

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Another problem with enterprises without enterprise app stores: the micro-transaction problem .

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There again, part of the problem is the instinct to micro-manage.

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The problem with installing micro turbines in built-up areas is two-fold.

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