Using Google Earth's time-slider feature, including animation and total time window selection, helps visualize the resulting availability map for users throughout a geographic area.
使用 Google Earth 的时间滑块功能（包括动画和总时窗选择）将帮助为整个地理区域的用户可视化得到的可用性地图。
2
Therefore, if the total number of guards is n, no ready guard will go unselected for more than n successive selection operations, in the worst case.
所以，如果警卫的总数是 n，那么在最坏的情况下，就绪的警卫没获得选中的次数不会连续超过 n 次。
3
The SLT32 offers simple menu selection of measurement units (gallons, liters etc.), calculates volume in horizontal round tanks, or flow rate (and total) through any flume or weir.