This distance is known as the 'astronomical unit' or AU.

这个距离被称为“天文单位”或 AU。

This year, nearly a score of presidential or parliamentary elections or referendums have been scheduled among the 53 members of the AU.

今年，在非盟的53个成员国中，已经安排了近20次总统或议会选举或公投。

Johann Franz Encke, Director of the Berlin Observatory, finally determined a value for the AU based on all these parallax measurements: 153,340,000 km.

柏林天文台主任约翰·弗朗茨·恩克最终根据所有这些视差测量结果确定了天文单位的一个值为153,340,000公里。

The goal was to measure the AU; then, knowing the orbital speeds of all the other planets around the Sun, the scale of the Solar System would fall into place.

目标是测量 AU；随后，当我们知道了所有围绕太阳的其他行星的轨道速度，对太阳系的规模就有充分的认识了。

Leonard Schlesinger, a Harvard academic and former chief executive of Au Bong Pain, a rapidly growing chain of bakery cafes, says that much "re-engineering" has been crude.

纳德·施莱辛格是哈佛大学学者及发展迅速的烘焙咖啡连锁店 Au Bong Pain 的前首席执行官，他表示，很多“再设计”都很粗糙。

They have an au pair living in.

他们有个换工姑娘住在家里。

I'm new here so I'm not completely au fait with the system.

我初来乍到，所以对这个系统还不完全熟悉。

They left the au pair in charge of the children for a week.

他们把孩子留给做换工的照料一周。

The fish is served au naturel, uncooked and with nothing added.

这条鱼是生吃的，未经蒸煮，也没加任何调味品。

The small church of San Michel is tucked away in a narrow back street of Port-au-Prince.

圣米歇尔小教堂位于太子港的小街上。

Back then, however, the AU did not exist.

然而，在那时候，非盟还不存在。

The AU is a cosmic measuring rod, and the basis of how we scale the Universe today.

天文单位是宇宙的标尺，是我们今天测量宇宙的基础。

Halley was aware that the AU was one of the most fundamental of all astronomical measurements.

哈雷知道，天文单位是所有天文学测量中最基本的。

Au contraire! You actually know a lot more people than you think.

事实上相反，你真正知道的肯定要比你想象中多得多。

We cannot forget the last email, the last conversation, the last meal together and the last au revoir.

我们不能忘记最后一封电子邮件，最后一次谈话，最后一起吃饭和最后一次约会。

Detection of comet Hale-Bopp at 30.7 au.

海尔·波普彗星的运行方向，页30.7 au一文。

The AU is rightly becoming more flexible.

非洲联盟正适宜地变得更加灵活。

In comparison, the Earth orbits at just 1 AU.

相比之下，地球轨道只是一个天文单位。

The AU has done distinctly better than the OAU.

非盟明显比以前的非统表现地更好。

The AU mission to Somalia looks even more forlorn.

非盟的维和使命在索马里看起来是成功甚难。

You need an AU license for anyone accessing the server.

您需要适用于访问服务器的每一个人的AU许可证。

Yet the United States should have expected AU pushback.

然而，美国应该已经预料到了非盟的挫败。

But several AU countries failed to honour their pledges.

但多个非盟国家未能信守他们的承诺。

The AU says the panel's decisions will be legally binding.

非盟说，这个小组的决定将具有法律约束力。

The AU says it would not administer the carbon cash directly.

非盟表示不会直接负责管理这笔碳排放补偿费。

But it is the African Union (AU) that has been the most uncomfortable with it.

但是，正是非洲联盟(非盟)表达了它强烈的不满。

Having to merge with the AU adds further complications to the command structure.

由于不得不同非盟结合在一起，还进一步增加了指挥体系的复杂性。