这类微生物不但能够清除空气中的二氧化碳，而且能够快速繁殖——有些种类只用12小时就能翻一番，而青草及其他大型植物则需要好几个星期甚至好几个月才能达到这样的水准。
Not only do these microbes remove carbon dioxide from the air, they also grow quickly-some forms double in just 12 hours, whereas grasses and other large plants can take weeks or months to do so.
当你拥有一些植物时，你会发现他们很容易扦插繁殖。
Once you have a few plants, they are easy to propagate from cuttings.
经比较分析，蕨类植物孢子繁殖时采用混合土培养较适宜；
Through comparative analysis, it is feasible to make use of mixed soil to cultivate when the spores of fern develop.
经比较分析，蕨类植物孢子繁殖时采用混合土培养较适宜；
Through comparative analysis, it is feasible to make use of mixed soil to cultivate when the spores of fern develop.
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