It is mainly about atomic theories, modern quantum mechanics theories and electron configurations (including nomenclature).
它主要是关于原子的理论，现代量子力学理论和电子配置(包括命名)。
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And, as I mentioned, we left off and as we started back here to describe the atom and how the atom holds together the nucleus and the electron using classical mechanics.
This article introduces the microcomputer control electron universal testing machines in the National University of Defense Technology mechanics laboratory service condition.