求翻译：独立学院的生源的文化基础水平和知识结构呈现出了多样性和一定的层次性，所以分类培养是新形势下高等职业教育教学改革的必然选择。是什么意思？

Independent College students basic cultural level and showing the diversity of knowledge structure and a certain level, which is why training is classified under the new situation of higher vocational education reform inevitable choice.

Independent College students in the cultural foundation and the knowledge structure level showed a diversity and a certain level of training, so it is classified under the new situation of higher vocational education teaching reform inevitable choice.

The independent institute's fresh source cultural base level and the knowledge structure presented the multiplicity and certain hierarchical, therefore the classified raise was under the new situation the higher vocational education educational reform inevitably choice.

Independent college student's cultural level and knowledge structure has taken on the basis of diversity and a certain level, so classification training is the inevitable choice of higher vocational education teaching reform under the new situation.

Independent college student's cultural level and knowledge structure has taken on the basis of diversity and a certain level, so classification training is the inevitable choice of higher vocational education teaching reform under the new situation.