crossover method的用法和样例：
例句
- The advancement of the transesterification method is described emphatically.
文中着重阐述了酯交换法的研究进展。 - This paper develops the method of extraction and purification of thrombin from the porcine plasma by using Ion Exchange.
建立了用磷钼酸喹啉容量法和离子交换法测定四羟甲基氯化铁含量的方法。
词汇搭配
- cross over 跨越
