这些可能是原始的细菌，其近亲物种曾经在亿万年前繁荣过。
These may be primitive bacteria whose close relations are known to have thrived billions of years ago.
细菌的味觉并不像那些拥有鼻子的多细胞生物，但它可能是一种原始的形式，随后进化成了多细胞生物那种形式的味觉。
Bacteria don't smell like multicellular organisms that have noses, but it could be a primitive form of what developed later.
但却不会有更多的实际意义，因为这种生命甚至会比细菌更原始。
But it would be of less practical importance, since that something would be very primitive compared even with a bacterium.
明天的疫苗有可能是极为尖端的复合物，由病毒、细菌或寄生虫基因组的原始DNA的小片段构成。
The vaccines of tomorrow are likely to be far more sophisticated concoctions, made up of snippets of raw DNA from the genome of a virus, bacterium or parasite.
最近的研究发现，雪，即使在相对原始的地点，像蒙大拿和育空地区，也含有大量的细菌。
A recent study found that snow - even in relatively pristine spots like Montana and the Yukon - contains large amounts of bacteria.
最初，前寒武纪出现原始的单细胞水生藻类，除了蓝绿藻和细菌之外。
That history began with the origin of the primitive, unicellular aquatic algae of the Precambrian Eon.
今天仍有一些细菌是双球菌、四球菌、链球菌和葡萄球菌，这些就是最原始的多细胞生物。
Today, there are still some meningitidis bacteria, four cocci, streptococcus and staphylococcus, which is the most primitive multicellular organism.
结论ARIMA模型可以较好地预测陕西省细菌性痢疾的发病趋势，模型预测效果的优化有待原始数据的进一步积累。
Conclusion the ARIMA model can be used to effectively predict the incidence of bacillary dysentery in Shaanxi. More original data are needed in order to optimize the model.
结论ARIMA模型可以较好地预测陕西省细菌性痢疾的发病趋势，模型预测效果的优化有待原始数据的进一步积累。
Conclusion the ARIMA model can be used to effectively predict the incidence of bacillary dysentery in Shaanxi. More original data are needed in order to optimize the model.
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