To prevent that from happening, American Secretary of State John Hay proposed what became known as the "Open Door" policy.

VOA: special.2010.07.29

When an action potential is initiated these ion channels go from their closed state to their open state, when they open sodium can now pass through.

当动作电位形成时,离子通道,从关闭状态转到打开状态,当通道打开时,钠离子就可以通过

耶鲁公开课 - 生物医学工程探索课程节选

Now, remember we talked about these last time, voltage-gated channels are channels that would allow the passage of sodium, in this case, but they can exist in two states, a closed state and an open state.

还记得我们上节课讨论过的吧,电压门控通道是,一种可以容许钠离子通过的通道,在这一例子中 电压门控通道有两种状态,关闭状态和开放状态

耶鲁公开课 - 生物医学工程探索课程节选

The "Open Doors" report is published by the Institute of International Education, with support from the State Department.

VOA: special.2009.11.26

Such a condition, a state of war, may mean a condition of open warfare, but not necessarily.

这样一种状态，战争状态，也许意味着公开的战争状态，但这也不是必须的。

耶鲁公开课 - 政治哲学导论课程节选

And it would permit the bank to open offices in a state, but only if the state approved.

VOA: special.2009.01.29

It has a gate on it and that gate is in open or close state depending on whether a ligand is present or not.

在这个通道上有个门,这个门是打开还是关闭,取决于配体到来与否

耶鲁公开课 - 生物医学工程探索课程节选

The state legislature agreed to open a convention on December seventeenth.

VOA: special.2009.07.16

But fishing waters remain open in western parts of the state, for now.

VOA: standard.2010.05.17

Last month, Secretary of State Hillary Clinton said the release of Aung San Suu Kyi would open doors for an expansion in bilateral ties and U.S.investments in Burma.

VOA: standard.2009.08.15

At a news briefing, State Department Spokesman Ian Kelly said the United States has been urging Sri Lankan authorities to open up the northern region to international organizations, and to conduct a thorough investigation of the charges.

VOA: standard.2009.10.22

Secretary of State Hillary Clinton says there are no formal meetings planned, but she left open the possibility that she and President Barack Obama might interact with Burmese Prime Minister Thein Sein or other officials when they take part in a U.S.-ASEAN summit-level dialogue Sunday in Singapore.

VOA: standard.2009.11.12