Every individual starts with fitness 1 at point a and can raise its fitness based on how close it gets to point B. Every command "u", "d", "l", or "r" moves up, down, left, or right, respectively.

每个个体从a点开始，并且其适应性为1，然后个体可以根据它与b点的接近程度来增加它的适应性。命令“U”、“D”、“L”或“R”分别代表上移、下移、左移或右移。

youdao

The responsible agency, the Food and Drug Administration, has long had fewer resources and authority than its counterparts did at the U. S. D. A.

负责此项监管的机构是美国食品药品管理局，然而一直以来，美国食品药品管理局所拥有的资源与权力都比它对手，即美国农业部，所拥有的要少。

youdao

The known taxonomy types include NAICS, UNSPSC, SIC, or a geographic code (GEO); the known identifier types include D-U-N-S, Thomas Registry numbers, and US Tax ID.

已经知道的分类法类型包括 NAICS、UNSPSC、SIC 或地理代码（GEO）；已经知道的标识符类型包括 D-U-N-S、托马斯注册号（Thomas Registry number）及美国税号（US Tax ID）。

youdao

An example is the story of a young man whose last name was spelled D-U-L-A but pronounced "Dooley."

VOA: special.2009.07.27

Now, assuming that we trust the government-- I think the U.S. Government has never defaulted on its debt-- we'd take that as a riskless return.

假设我们信任政府-,假设美国政府从未拖欠债务-,可以把它当作无风险回报。

耶鲁公开课 - 金融市场课程节选

And that way, you'd make a u-turn and then I'd owe you a lot more money,

那样的话，你掉头行驶，我就得付更多钱了。

Is there 实战 - SpeakingMax英语口语达人

Co-sponsors include U.S. Senator Jeff Bingaman (D-NM), U.S. Senator Mark Begich (D-AK), U.S. Senator Lisa Murkowski (R-AK), and U.S. Senator Patty Murray (D-WA).

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So if this extra spending means that their current account surplus becomes smaller, then there's less available to buy U.S. Treasuries, and you'd expect U.S. interest rates to go up a bit.

NPR: Chinese Stimulus May Affect Commodity Prices

The success of Virgin Mobile in the U.K. and Amp'd Mobile in the U.S. prove the so-called mobile virtual network operator business model.

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