Edges effect of phytocoenosis was distinct and the mass flow and energy flux on the edge were bigger than those in center.
群落景观的边缘效应明显,群落边缘比中心有较大的物质流和能量流。
2
It dissertates the principle of water flux transfer system based on GPRS, and expatiates the design method of water flux gather terminal, GPRS data transfer terminal, data center and system software.