王金城

Digital holography experiment of 3D detection of underwater bubble fields

杨宇, 于佳, 刘惠萍, 2013 .

EHLR apparatus and method for realizing payment in advance

丁浩, 黄天振, 李世前, 2003 .

Method for implementing long-distance intelligent user roam calling

王金城, 2001 .

Method and system for requsting to read user registration state

马春燕, 王金城, 2005 .