The exact value of two-dimensional bandwidth for unit-intervalgraph is produced.
通过引进矩形链这一概念，给出单位区间图的二维带宽精确值。
2
Although the average was zero, each interval had a maximum (and a minimum) reading. In this graph, my APM is displaying a flat zero line indicating the average but also the maximum value.
虽然平均值是零，但是每一个时间间隔都有一个最大(和最小)读数。
3
Each bar on the graph represents a value for one refresh interval, which can be anywhere from one second to many hours.