The main problem concerning broadening the knowledge spectrum and basis of Chinese technical personnel of mechanical engineering is in the system of mainstay courses of mechanical engineering itself.

我国机械工程技术人员知识面和基础的拓宽，主要在机械类主干课程体系本身。

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University Archives play a good complementary role in improving the students' knowledge structure and broadening their views of knowledge.

大学档案馆在完善学生知识结构、拓宽知识面中具有良好的补充作用。

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With the broadening of human knowledge, We know more and more about the world we are living in.

随着人类知识的扩大，我们越来越了解我们生活的世界。

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It added that broadening access to clinical trials was essential to improve knowledge of the best treatments for cancers.

BBC: Young cancer deaths 'halved in last 30 years'

Peter made me feel that a successful career in photography was achievable and by sharing his knowledge within the workshop he has given me much to think about whilst broadening my confidence when taking pictures in public.

BBC: Students of the street