重大改良 meaning in English

major improvement

This release of debian gnu linux contains the much improved xfree86 4 . 1 release , which includes support for a greater range of hardware , better autodetection support , and improved support for advanced technologies such as xinerama and 3d acceleration
这次的debian gnu linux发行包含了历经重大改良的xfree86 4 . 1 。它不但提供了更广泛的硬体支援，有更好的自动侦测功能，而且也对像是xinerama和3d加速等先进技术有著更好的支援。