graft rate的用法和樣例：
例句
- The struc-ture and physical mechanical properties of graft copolymer depend on the rate of graft.
接枝共聚物的結構和物理性能與接枝率有關。 - It was shown that the modified membranes with higher grafting rate expressed better anti-fouling ability in the ultrafiltration of protein solutions.
實驗結果表明，隨著接枝率的提高，改性聚碸膜抗蛋白質吸附污染的能力顯著增強。
