例句與造句

1. Co-existence is regulated by the use of buffer zones and isolation distances between the GM and non-GM crops.
2. The volume is a treasure-house of information, starting with historical profiles of the plants and going on to botanical classification, flower structure and pollination method, isolation distances, caging and hand pollination techniques, and ways of harvesting, drying, cleaning and storing seeds.
3. But Norman C . Ellstrand, a professor of genetics at the University of California at Riverside and an expert on pollen flow, said that long-distance pollen flow is poorly understood and that the appropriate isolation distance for drug-producing plants would depend on the particular crop and drug.
4. It's difficult to find isolation distance in a sentence. 用isolation distance造句挺難的