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。
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.
本文利用多时相tm影像，基于GIS空间分析技术，运用缓冲区分析方法和因子分析方法，对成都市城市扩张及其驱动力进行了定量分析。
Urban expansion and its driving forces in Chengdu city was quantitative analyzed by methods of buffer analysis and factors analysis based on TM data and GIS spatial analysis techniques in the paper.
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