The resolution of type mappings will percolateup the chain until a match is found.
类型映射的解析将贯穿链直到找到一个匹配的。
2
The delicate white tufa towers formed where freshwater springs percolateup from the bottom of the lake.
柔和、白色的钙华塔形成于淡水泉从湖底渗透出来的地方。
3
In a typical software system, function calls flow downward from higher-level components to lower-level ones; whereas events percolateup in the opposite direction. Figure 1 illustrates this pattern.