We use the concept of conservation of states and the Aufbau Principle.

我们利用该状态的概念，和构造原理。

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To establish a new conservation concept, we should step up publicity and education efforts, so deeply rooted among the new concept of conservation;

树立新型节约观，要加大宣传、教育的力度，使新型的节约理念深入人心；

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And we advanced formulized definition about concept of conservation of information, and information essence definition: information is a set of mark of attribute of thing.

及我们提出的“信息守恒”概念与公式化的定义，与“信息是事物及其属性标识的集合”的信息实质定义。

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We use the concept of conservation of states and the Aufbau Principle.

我们利用该状态的概念,和构造原理。

麻省理工公开课 - 固态化学导论课程节选

He promotes the concept of an Eastern wildway to physically connect America's state parks, conservation areas and forests so wide-ranging animals such as bears, wolves and eagles can roam freely.

CNN: Trekking 5,000 miles to connect man and wildlife