固支边界条件
clamped boundary conditions
混凝土四边固支板
four edges fixed concrete slab
两对边固支另两对边自由支承
Opposite boundary clamped supported and others fre
四边固支
four boundary fixed
four edges clamped support
four-sides fixed plate
arbitrary loading
四边固支弹性薄板
rectangular thin plate with four edges clamped
四边固支矩形板
four-sides-fixed rectangle plate
四边固支矩形薄板
rectangular thin plate with completed clamped supported
k-等周边连通度
k-restricted edge connectivity
北京及周边地区
Beijing and its surrounding areas
Beijing and its peripheral areas
北京及周边输送影响
pollution in Beijing and from outside adjacent areas
北京及周边五大流域
Five basins in Beijing and its surrounding regions