The modernity accomplished the risk, the globalization has caused the risk to be separated from the time and the spatiallimit, has accomplished the risk society.
现代性造就了风险，全球化则使得风险脱离了时间和空间的限制，造就了风险社会。
2
However, current commercial GIS software are short of special spatial point pattern analysis module which limit the use of point pattern analysis.
然而现有的主流商业GIS软件包，缺乏专门的空间点模式分析的模块，限制了点模式方法的使用。
3
Synchronization markers limit the propagation of spatial errors within video frames.