求翻译：从不同的四个土壤样品中一共分离得到51株放线菌。依据菌落特征，从中分离、筛选出8株典型放线菌菌株，对其进行16S rDNA PCR扩增与测序，并对其生理生化特征及系统分类地位进行了研究。结果表明，是什么意思？

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Different from the 4 in the soil samples from a total of 51 strains from actinomycetes. Colony characteristics based on separation, filtering, and from the 8 plants typical of the actinomycetes strains, 16 S rDNA PCR augmentation and sequencing, and its physiological, biochemical characteristics and

Altogether separates from the different four soil sample obtains 51 ray fungis.Based on the colony characteristic, separates, screens 8 typical ray fungi strains, carries on 16S rDNA PCR to it to expand increases with measures the foreword, and has conducted the research to its physiological biochem

From the total of the four soil samples of different Actinomycetes isolated 51 strains. According to the colony characteristics, separation, filtering out the 8 typical Actinomycetes strain, for 16S rDNA PCR amplification and sequencing, and physiological and biochemical characteristics and system s

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