种丰度以常家村茶园最高；

Species diversity was highest in the Changjiacun Village Tea Garden.

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为了便于丰控系统控制扫描转换器的输出图像的亮度、对比度和色饱和度，扫描转换器提供了RS-422和RS-232两种通信方式。

The scanning converter supplies two communicative ways:RS-422 and RS-232. Through these ways the main controlling system controls the brightness, contrast, saturation of output pictures.

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文章指出古群落和现代群落的种的相对丰度具有类似的分布，即对数正态分布。

Results indicate that the distribution of species relative abundance of paleocommunity is similar to that of living community and both have logarithmic normal distribution.

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