Country boundaries are shown on this map as dotted lines.

这张地图上国界以虚线标出。

《牛津词典》

These are dotted lines.

这些是有点的线。

youdao

Maybe I do dotted lines for that.

或许我用一下虚线。

youdao

It turns out, if you look at those dotted lines, there's an area in the middle, the area between here and here, this little area here, you actually might be just fine shooting to the middle.

请大家看这条虚线,在这两点中间的范围内,就是这个小区间内,从中路射门也是个不错的选择

耶鲁公开课 - 博弈论课程节选

Something I'll also point out as you see these dashed line that tell you where the individual molecular orbitals are arising from, as you get to higher and higher atomic numbers of molecules that you're making, it makes a lot more sense to look at a diagram when you draw these dotted lines in, because they can start to get a little bit confusing.

我要指出的是，你们看这些虚线,它们告诉你,每个分子轨道的起源是什么，当你的原子数,越来越高的时候，画出这些点线,使图更容易理解，因为现在开始变得有一点混乱了。

麻省理工公开课 - 化学原理课程节选

The daily chart shows several continuation patterns (dotted lines) that were brief interruptions in the downtrend.

FORBES: Weak Airlines Weigh Down Transports

There are no dotted lines on her maps to quicken the hearts of armchair travelers.

FORBES: The Top Of The World

For years, the maps trotted out for investors have shown far too many dashed and dotted lines, rather than the solid ones they long to see.

ECONOMIST: The Philippines