问题描述：
英语翻译
It is well-known that 2-axis tracking,in which solar modules are pointed at the sun,improves the overall capture of solar energy by a given area of modules by 30–50% versus modules with a fixed tilt.
It is well-known that 2-axis tracking,in which solar modules are pointed at the sun,improves the overall capture of solar energy by a given area of modules by 30–50% versus modules with a fixed tilt.
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