Left click, hold, and drag the taskbar up one tier.
点击左键，保持，拖动任务栏到一层之上。
2
Because I have done my multi-tier analysis up front, I know that my resources will be pulled to do maintenance at the points highlighted in pink in Figure 9.
因为我提前完成了我的多层分析，我知道在图9种用粉色加亮的点上我的资源将会被拖延去做维护。
3
It will depend on the density of your points (see a few words on density), but a good recommendation is to start off with the simple range approach and then move up to the tier approach if need be.