问题描述：
the grass is eaten to less than five centimeters.to在这里是什么意思,
Farmers can start rotational grazing by removing animals from a pasture when the grass is eaten to less than five centimeters.to在这里是什么意思,
Farmers can start rotational grazing by removing animals from a pasture when the grass is eaten to less than five centimeters.to在这里是什么意思,
问题解答：
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