然而，迄今为止，主要的研究工作仅局限于分段线性仿射系统。

However, up to now, main research works are only limited to piecewise linear affine systems.

youdao

然而，迄今为止，主要的研究工作仅局限于分段线性仿射系统。

However, up to now, main research works are only limited to piecewise linear affine systems.

youdao