Plant absorption was not the main mechanism in reduction of both N and P, due to less plant biomass on wetland buffer zone.

缓冲带内的湿地植物量较小，决定了植物吸收并非氮磷去除的主要机制。

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The driving component includes: a N-bit serial buffer, a K-bit extension buffer, a N-bit video data buffer and N driving current output ports.

该驱动元件包括：一N个位的串序缓冲器，一K个位的延伸缓存器，一N个位的影像资料缓存器，N个驱动电流输出端口。

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