1·The IBM Cloud is a public cloud, this means that every virtual machine by default is reachable from anywhere in the world.
IBM Cloud 是公共云，这意味着在默认情况下，每个虚拟机是从世界的任何地方可达的。
2·If the responding nodes could not ensure that the network is connected, the other reachable nodes from the fault node are further triggered.
如果不能确定网络是连通的，再触发失效节点的其它可达邻近节点响应。
3·At first, the extremal control of the system was got, then the reachable region of the time reversed system and the controllable region of the system were given.
首先求取系统极端控制，进而给出时间反转系统的可达区域和系统的可控区域。
4·The relationship matrix, relationship intensity matrix and its reachable matrix between the function set and the sub-system set are set up, therefore the system structure is established.
关系矩阵，关系强度矩阵及其可达矩阵之间的函数集和副系统集都成立，因此，该系统的结构建立。
1·Add a reachable exit branch to stop the recursive invocation.
添加一个可到达的退出分支以停止递归调用。
2·Look at all the reachable or walkable squares adjacent to the starting point, ignoring squares with walls, water, or other illegal terrain.
观察开始点邻近的所有可到达或可行走的方块，忽略有墙，水或其他非法地形的方块。