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1·x*y=3 And lambda x - 2y = 0. And xy = 3.

和λx-2y=0和。

2·So, that means I keep xy equals constant.

这也就意味着我将把xy当作常数。

3·In the contents EditPart, we used an XY layout manager.

在内容EditPart中，我们使用了XY布局管理器。

4·Well, if you look at all these hyperbola's, xy equals constant.

如果你们看这里所有的双曲线的话，xy等于常数。

5·XY: Anna, you look slimer compared to the last time we met.

小云：安娜，你比上次见面苗条多了。

6·XY: But I have no willpower, invariably I fail to persevere.

小云：可是我没有毅力，总是坚持不下来。

7·I was born with XY chromosomes, the combination found in boys.

我生下来的时候，染色体为XY，男孩子的染色体才是XY组合。

8·I also hope you've thoroughly enjoyed your first few days at XY.

我希望你们在XY的这几天过得愉快。

9·Well, we had here a picture in xy coordinates where we had our sides.

我们所画的图是在xy坐标系内的，在这里我们可以。

10·OK, any questions about how to set up double integrals in xy coordinates?

关于在xy坐标系里建立二重积分有问题吗？