管理学 电子政务网络技术 释 integrated services digital network; ISDN 综合业务数字网 实现话音、数据和图像在同一个网络中传输与交换的重要技术，是一种典型的电路交换网络系统。
网络与数据通信 协议体系与组成结构 释文 integrated service digital network, ISDN 综合业务数字网
- operatic actor’s waist tag granted by Shengping Bureau of Qing Dynasty
- operatic brick engravings at City God Temple of Chengguan Town, Shengzhou City
- operatic carvings at Jiuxiang Chastity and Filial Piety Stone Archway
- operatic ceremonial weaponry of the Qing Dynasty in Lingbao City
- operatic composition
- operatic copperplate etchings of the Qing Dynasty
- operatic costumes collected at the Qing court
- operatic dress
- operatic engravings at Mirror-Hanging Tower of Sheqi Shanxi-Shaanxi Guild Hall
- operatic facial painting frescoes at Jishui Lord Yu Temple
- operatic facial paintings of China's ethnic minorities
- operatic film
- operatic frescoes of Hongshan Temple of Xinmi City
- operatic frescoes of Nianbadu Town, Jiangshan City
- operatic headdress
- Operatic History in Ming and Qing dynasty
- operatic inscriptions on steles at Temple of God of Mount Tai , Pu County
- operatic manuscripts collected by the Huaihua Art Museum
- operatic manuscripts of Sungu Village of Hu County
- operatic murals at Temple to the God of Mount Tai of Shanpu Village, Qinyuan County
- operatic music of China's ethnic minorities
- Operatic Painting Album
- operatic paintings in Civil Rights Pictorial
- operatic paintings in Collection on the Theatre
- operatic paintings in Huju Opera Pictorial