There are some key technologies in this system: the design of system lighting, movement-organ to trace the pointer, arithmetic of machine vision to analyze image.

系统设计的关键技术体现在系统照明环境的设计、摄像头运动追踪机构设计和机器视觉分析算法的实现上。

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However, the main organ of the conservative movement, the Republican Party, has embraced right-wing ideology and fundamentalist Christianity of the sort that rejects the findings of methodological scientific inquiry if those findings challenge their precepts.

ECONOMIST: Software's hard lesson