This paper raises a delete principle which inferring the spectrum term of four equal electrons' system in L-S couple and gives a certificating.
本文提出四个同科电子体系在L-S耦合中确定光谱项的“删除法则”，并加以证明。
The construction and application of OA System is the key method for certification body to improve its standard and efficiency, to fulfill its growing demand of certificating request.
认证机构O A系统的建设与应用是提高认证机构管理水平和运行效率、满足不断增长的认证业务需求的重要手段。
The construction and application of OA System is the key method for certification body to improve its standard and efficiency, to fulfill its growing demand of certificating request.
认证机构O A系统的建设与应用是提高认证机构管理水平和运行效率、满足不断增长的认证业务需求的重要手段。
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