development chain造句

To ensure that technological research can add the highest degree of value to economic activity , all the links in the research and development chain must be in place
要确保科技研究工作能为经济活动带来最大的附加价值，研究和发展产品的各个环节便要完备。
25 . to ensure that technological research can add the highest degree of value to economic activity , all the links in the research and development chain must be in place
25 .要确保科技研究工作能为经济活动带来最大的附加价值，研究和发展产品的各个环节便要完备。
It's difficult to find development chain in a sentence. 用development chain造句挺难的