Methods: To compare the method of the extract of RNA from goldfish using laminar analysis column with that of using one-step guanidinium isothiocyanate-alcohol phenyl-chloroform.

方法：应用本层析柱方法从金鱼组织所提取RNA和采用异硫氰酸胍-酚-氯仿一步法提取RNA的比较。

youdao

Companies are using every trick in the book to stay one step in front of their competitors.

各公司正用尽浑身解数想领先竞争对手一步。

《柯林斯英汉双解大词典》

When R3SETUP stops at step EXITR3COPY_IND_DB6, run the redirected restore using one of the methods specified in the following section.

当r 3setup停在EXITR 3 COPY _ IND_DB6这一步时，使用接下来的小节中指定的任意一种方法，运行重定向恢复。

youdao

China is able to stay one-step ahead of the game, using risk-based management processes their suppliers.

FORBES: Yum! China: From Rebranding to Reinventing

This go-round, they decided to take it one step further, using the words of a local poet for an installation of permanent tattoos to be inked on Lexington residents.

CNN: Linked by ink: Tattoos mark a city's pride