to establish common practices for the production,regulation and control of antivenom.

VOA: special.2010.01.25

So essentially, they regulate this action potential, and they do so by helping to establish and then control the voltage gradient within the cells.

总之本质上，它们负责调节动作电位,它们做到这一点通过协助制造,并控制细胞内的电位梯度。

麻省理工公开课 - 化学原理课程节选

Somalia's new president,Sheikh Sharif Ahmed, a moderate Islamist and a former insurgent leader, is attempting to establish government control in the country and to gain the support of Islamist insurgents.

VOA: standard.2009.03.16