现在我们有了一张画布，让我们绘制一些标记来显示沿着标尺的不同点。
Now that we have a canvas, let's draw marks to show the various points along the ruler.
它的用途是当你正在测量时，将标尺信息显示在信息面板中。
The use of this is when you are measuring using the ruler the information will be shown in the information panel.
因此我不得不在盯着舱外标尺线的同时注意着平显上的显示使自己保持在正确的高度和速度上。
I have to look outside to hit the right show line and watch the HUD to make sure I have the right airspeed and altitude.
应用推荐