求翻译：我分离出51株放线菌从不同的四个土壤样品中。依据菌落特征，我分离和筛选出8株典型放线菌菌株从他们之中，我为了扩大和增加它所以对它进行16S rDNA PCR，同时测定它的序列，并对它的生理特征和生化特征以及系统分类地位进行了研究。结果表明，是什么意思？

I isolated 51 actinomycetes from four different soil samples. Based on colony characteristics, separated and screened eight typical strains of actinomycetes from them, in order to expand and increase its so it 16s rDNA pcr, simultaneous determination of its sequence, and physiological characteristic

I split the actinomycetes strains from 51 different 4 soil sample. Based on Colony characteristics, and I separated and filter out 8 trees from their typical actinomycetes strains, and that I in order to expand and increase it to 16 S rDNA PCR, simultaneously measuring it against the serial, and it'

I separate 51 ray fungis from the different four soil sample.Based on the colony characteristic, I separate and screen 8 typical ray fungi strains from them, I in order to expand and increase it therefore carries on 16S rDNA PCR to it, simultaneously determines its sequence, and has conducted the re

I split off 51 from four different strains of Actinomycetes in soil samples. According to the colony characteristics, isolation and I filter out 8 typical actinomycete strains from among them, and I in order to expand and increase it to 16S rDNA PCR, and determination of its sequence and its physiol

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