abbr. author 作者;aurum (Latin=gold) (拉丁语)金;arbitraryunit(s) 任意单位;antitoxin unit 抗毒素单位
网络 金; 天文单位(astronomical unit); 澳大利亚(Australia)
This distance is known as the ´astronomical unit´ or AU.
这个距离被称为“天文单位”或 AU。
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。