"We have very high confidence that by that date conditions will permit us to end the surge and begin a gradual and responsible drawdown of U.S.forces."

VOA: standard.2009.12.08

It's looking at the end test. It's looking at the kinds of conditions you're going to put in.

写代码的方法了，也就是通过讨论终结测试,通过讨论放入的条件。

麻省理工公开课 - 计算机科学及编程导论课程节选

You can still calculate the heat that's released. This is what will tell you under some particular conditions what will actually happen. Where will you end up.

你仍然可以计算放热,在特定条件这些下这些物理量,能告诉我们将会发生的事情。

麻省理工公开课 - 热力学与动力学课程节选

And the speaker of Russia's lower house of Parliament,Boris Gryzlov, says conditions in the republic are much improved and allow for an end to the anti-terrorist operation.

VOA: standard.2009.03.26