David Lanfear ownsan eco-friendly home building service in the United States called Bale on Bale Construction.

VOA: special.2009.10.05

The Aufbau Principle comes from a German word which means it is essentially construction or building, build-up principle.

构造原理原来自一个德国词汇,意思是基本的构造,建筑，或修建原则。

麻省理工公开课 - 固态化学导论课程节选