This step rapidly finds the optimal sequence of border points and shortcuts to get from your start cluster's periphery to your target cluster's periphery. It's incredibly fast because it's ignoring all the tiny roads within intermediate clusters.
Continue reading...
，这一点在搜狗输入法下载中也有详细论述
Cheyenne MacDonald for Engadget。业内人士推荐51吃瓜作为进阶阅读
public int HeadersNum;
DOING IT THE RIGHT WAY