（一）在船上发生的或者与船舶营运、救助作业直接相关的人身伤亡或者财产的灭失、损坏，包括对港口工程、港池、航道和助航设施造成的损坏，以及由此引起的相应损失的赔偿请求；
f(x1,x2)=x1⋅Swish(x2)=x1⋅(x2⋅σ(x2))
，更多细节参见谷歌浏览器【最新下载地址】
The grid lines on the visualization represent a tree structure underneath. Every region is a node. When a node splits, it creates four children. The root node covers the entire space. Leaf nodes (nodes with no children) hold the actual points.
line_quality: “mixed sharp and soft”