With the rapid development of wireless local area network(WLAN) technology, an important target of indoor positioning sy......

CALIS是全国高校图书资源共建共享的保障系统.本文就联合目录数据库建设的任务、数据库建设方案、系统服务功能和项目建设原则等方......

For the fulfillment of the probability-based structural design for the offshore jacket platforms in the Bohai Bay, the d......