Electrons will occupy orbitals in order of ascending energy, occupying the lowest energy first and up.

电子是按其能量递增顺序,排布在轨道上的，首先占满第一级，即最低能级。

麻省理工公开课 - 固态化学导论课程节选

In the Basel I there were Tier I capital requirements and they defined Tier I capital as capital in a certain form -it's stockholders equity plus preferred stock.

第一次巴塞尔协议提出了一级资本要求,他们将一级资本定义为,一种特定形式的资本金,就是股东权益加上优先股

耶鲁公开课 - 金融市场课程节选