It is not known whether these might interfere with biotechnological purposes.
目前还不知道是否会干扰生物技术的目的。
2
Some are using micro-organisms. Still others have a hybrid approach, part biotechnological and part traditional chemistry.
有的使用酶，有的使用微生物，还有的采用混合方法，部分是生物科技、部分是传统化学。
3
Other biotechnological methods have led to organisms that improve food quality and consistency, or that clean up oil spills and heavy metals in fragile ecosystems.