我想增加的一个非常有用的特性是视角与缩放支持，这对于智能手机来说也非常关键。

One feature I would like to add that would be generally useful, but critical for smartphone support is viewport and/or scaling support.

youdao

我想增加的一个非常有用的特性是视角与缩放支持，这对于智能手机来说也非常关键。

One feature I would like to add that would be generally useful, but critical for smartphone support is viewport and/or scaling support.

youdao