公约去年生效，是一项划时代的成就。

Its entry into force last year was a landmark achievement.

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可见在董源擅长的诸多画科中，山水画是他最富成就的画科，具有划时代的意义。

Can be seen in the many good paintings Dong Yuan, in which most of his achievements in landscape painting subjects, epoch-making significance.

youdao

可见在董源擅长的诸多画科中，山水画是他最富成就的画科，具有划时代的意义。

Can be seen in the many good paintings Dong Yuan, in which most of his achievements in landscape painting subjects, epoch-making significance.

youdao