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(both: gän), river, c.550 mi (885 km) long, flowing north through the plain of central Jiangxi prov., SE China, past Nanchang to Poyang lake. Despite many rapids, it is navigable for junks below Ganzhou and for steamers up to Nanchang. The lower Gan valley is fertile; rice and tea are the main crops.


Generating and Analyzing Networks. "GAN - A System for Generating and Analyzing Activity Networks", A. Schurmann, CACM 11(10) (Oct 1968).


(Generic Access Method) A standard for roaming between GSM cellular networks and wireless local networks (Wi-Fi LANs) from the 3GPP. Previously known as "Unified Mobile Access" (UMA), it allows dual-mode handsets to seamlessly switch between networks. GAN networks enable cellphones to obtain service inside buildings that might otherwise be difficult. See dual-mode handset and cellular generations.