自90年代以来，已经有超过20种以上的巴尔通体属细菌被发现。

Since the early 1990s, more than 20 species of Bartonella bacteria have been discovered.

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自90年代以来，已经有超过20种以上的巴尔通体属细菌被发现。

Since the early 1990s, more than 20 species of Bartonella bacteria have been discovered.

youdao