理学 计算与理论化学 释 selection rule; transition rule 跃迁选择定则 角动量守恒定律和宇称守恒定律的结果。从大量光谱的观察分析和研究中总结出来，同时也可以从量子力学推导出来。
理论计算机科学 佩特里网 释文 transition rule 变迁规则
- China green
- China Guangxi TV Station
- China Guardian Auctions Co.,Ltd
- China Guodian Corporation
- China (Harbin) Forest Museum
- China Health Economics Association
- China Health Law Society
- China high-speed railway
- China high-technology network
- China Highway and Transportation Society
- China Highway & Transportation Society
- China Historical Floods
- China Home Textile Association
- China Huadian Corporation
- China Huaneng Group
- China Huangmei Opera Art Festival
- China Huanqiu Contracting & Engineering Corporation
- China human settlements and environment award
- China hydrological institution
- China IE Expo
- China immigration inspection
- China independent fine arts association
- China Industrial Design Association，CIDA
- China Industrial Design Museum
- China industrial economics