Does it need refinement in some way?" "And if it does need some adjustment in light of the events that have taken place over the last number of months, including the election and so on, and then what are the implications of that in terms of General McChrystal's resource request?" The secretary said the United States will not abandon its core mission in Afghanistan, which President Obama described as the destruction of the al-Qaida terrorist network, because it is "critical" to U.S.national security.

VOA: standard.2009.10.23

So this gives you a little bit of an idea of just how many individual photons there are in a laser beam of light. This is a huge number of photons.

这个给你们一点思路关于,一个激光束有多少独立的光子,这是一个巨大的光子数目。

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The others in the direct light sending the same number of photos to your eye.

那些直接处于光线之下的瓷片,向你的眼睛发出了同样多的图片。

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The team also showed how a large number of light pipes could be used to form a kind of dot matrix display.

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The board have ruled that Oakey's first defence must be against Brian Magee, the number one light heavyweight contender from Belfast, before the end of October.

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Patricia Hughes had many outside interests, including gardening, animals and the piano and she also wrote a number of light music pieces that the record producer Joe Meek helped her to have published - including one, It Happened in a Dream, which reportedly still earns royalties today.

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