cross-links造句

dna cross-links are produced mainly upon irradiation of dry dna or bacterial spores .
DNA交链主要由照射于DNA或细菌芽胞引起。
the ratio of cross-links to branches may be varied by altering the incidence of chain transfer .
通过改变引入的链转剂就可以改变交联与支链的比例。
when termination occurs partly by disproportionation, the prepolymer chains in the product carry branches as well as cross-links .
当终止反应一部分是由歧化所起时，则在产物中预聚物链不但带有交联也带有支链。
It's difficult to find cross-links in a sentence. 用cross-links造句挺难的