视场等级可以手动选择也可以自动切换，还可以在缩放时临时性地关闭等级变化。

View levels can be selected either "manually" or "automatically", and you can also temporarily switch off view level changes when zooming in or out.

youdao

视场等级可以手动选择也可以自动切换，还可以在缩放时临时性地关闭等级变化。

View levels can be selected either "manually" or "automatically", and you can also temporarily switch off view level changes when zooming in or out.

youdao