例句與造句

1. Livestock grazing comparison units are used by many governments to measure and control the intensity of farming.
2. Livestock grazing comparison units are used for assessing the overall effect on grazing land of different types of animals ( or of mixtures of animals ), expressed either as a total for a whole field or farm, or as units per hectare ( ha ) or acre.
3. It's difficult to find comparison unit in a sentence. 用comparison unit造句挺難的