求翻译：从广义而言，新产品开发既包括新产品的研制也包括原有的老产品改进与换代。新产品开发是企业研究与开发的重点内容，也是企业生存和发展的战略核心之一。是什么意思？

In broad terms, new product development, including both the development of new products also include the original product improvement and updating of the old. New product development is the focus of corporate R & D content, but also the survival and development of one of the core strategy.

In the broad sense, development of new products including both new product development will also include the original old products with new-generation improvements. New product development is focused on enterprise research and development of enterprises, but also the survival and development of a co

From says generally, the new product development already includes the new product the development also to include the original old product improvement and the update.The new product development is the enterprise research and the development key content, also is one of the enterprise survival and dev

Broadly speaking, new product development as well as development of new products also include the old product improvement and updating. New product development are key elements of enterprise research and development, is one of the core enterprise's survival and development strategy.

As regards broad sense, new product development including new research of product too original old product improvement and regenerate. The new product development is the key content that enterprises study and develop, it is one of the strategy cores which enterprises survive and develop too.