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

So delta u B is Cv times T2 minus T1, right.

是Cv乘以，对吧？

youdao

There are 300 Apple stores worldwide right now, mostly in the U.

现在全球有300家苹果商店，大多位于美国。

youdao

During a recent trip to Ukraine, U.S.Vice-President Joe Biden reaffirmed Ukraine's right to join NATO.

VOA: standard.2009.09.04

I don't know how much you read about the-- right now we are going through a major financial crisis, which started in the U.S.

我并不知道你读了多少...,现在我们正在经历一个严重的金融危机,它起始于美国

耶鲁公开课 - 金融市场课程节选

When I look back at my own career, it is so full of shocks, surprises, failures, u-turns and right turns, I could never have planned it.

FORBES: How Plans Kill You ... So Why Do You Do It

Among the professors were Herbert W. Titus, a Vice-Presidential candidate of the far-right U.S. Taxpayers Party (now called the Constitution Party), and John Whitehead, who started the Rutherford Institute, a conservative legal-advocacy group.

NEWYORKER: Leap of Faith

Last week, Senate Judiciary Committee Chairman Patrick Leahy, D-Vermont, withdrew his proposed amendment to provide U.S. citizens the right to sponsor their same-sex partners for green cards.

CNN: Why bias puts young gays' health at risk