DOUBLE Bar: the average of the X-Bar data.

双柱状：X -柱状数据的平均值。

Only men perform on the rings, on the double bars, on the high bar.

只有男人才能表演吊环，双杠，高杠。

R-DOUBLE BAR: the average of the R-Bars, used in statistical process control.

双r型柱：r型柱状图的平均值，用于统计过程控制。

So double bar means if this condition or this one — and maybe even both — are true, go down this road and execute that code.

所以复纵线意思是，如果这两个条件之一-，或者两个都——是成立的，那就继续，执行后面的代码。

Walk through the code and place your cursor on the marker bar (along the left edge of the editor area) on the line with the suspected code. Double-click to set the breakpoint.

遍历代码，将鼠标放在可疑代码一行的标记栏（在编辑器区域的左侧）上，双击即可设置断点。