There is pretty much every style at every grade, short intense hard 8’s, long multi-pitch 6’s, and the reverse.
这里有几乎所有类型所有难度级别的线路，难度为8 的短而硬的线路，难度为6的长结组线路，还有相反的。
3
The U. S. Navy's long-term vision is to deploy distributed wireless sensor networks along with RFIDs to provide a wealth of information about an entire aircraft structure.