刷新周期是指图中滚动并显示新的竖条的频率。
The refresh interval is how often the graph scrolls and shows a new bar.
厚度的不确定度，由这些竖条表示，而水平刻度，则用对数刻度。
These vertical bars indicate my uncertainty in measurements of thickness and the horizontal scale, which is a logarithmic scale...
柱形图中的竖条用颜色编码，从绿色到红色，以显示争用的程度。
The bars in the graph are color-coded green through to red to indicate how contended they are.
应用推荐