Now what I want to find,actually, V is what are these two vectors, let's call them U and V, that correspond to moving a bit in the x direction or in the y direction?
现在我实际上想知道的是，这两个向量是什么，我们称它们为，U和，两者对应的是x方向和y方向一点位移？
Kathy USES a local telephone to call the U. S. embassy in Stockholm. An embassy official answers the phone.
凯西在斯德哥尔摩打了一通电话给当地的美国大使馆。一位大使馆官员接电话。
The Chinese Embassy in Washington did not immediately return a call for comment. Costs to the U. S. of detaining Chinese citizens were not immediately available.
目前在华盛顿的中国大使馆并没有立刻做出回应。因而美国拘留中国公民所耗的费用问题目前还不能解决。
Users can call a U. K. or U. S. number for service, but the company plans to add more local call-in lines.
用户可以通过呼叫一个英国或美国的电话号码来获取这项服务，该公司计划增加更多的本地电话线路。
House of Representatives Speaker Nancy Pelosi does not call the assistance a bailout, but a loan she says was critical to the overall health of the U. S. economy.
众议院议长南希·佩洛西没有把这笔援助款称为救助，而是称为贷款。她认为这笔贷款对美国经济总体健康至关重要。
But today, teachers have to call a spade a spade: We are the campus of less than U. s., there are "ugly" things.
可是今天，老师要实话实说：我们的校园里还有美中的不足，还存在着“丑”的东西。
We would like to have you make immediate arrangements for the important men of your U. S. A., as you call it, to be brought here for discussions leading to your people joining our great organization.
我们希望您马上与贵国，即你们所说的美国的要人联系，前来此地商讨加入我们组织的事宜。
We would like to have you make immediate arrangements for the important men of your U. S. A., as you call it, to be brought here for discussions leading to your people joining our great organization.
我们希望您马上与贵国，即你们所说的美国的要人联系，前来此地商讨加入我们组织的事宜。
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