无实质性的 meaning in English

immaterial

Software reuse consists of software reuse technology and software reuse process , the sharing of reusable product is embodied and implemented in the process of software reuse . there are stimulent achievements in the technology of software reuse , but there are no pratical improvement in the research of software resue process
软件复用包括软件复用技术和软件复用过程，在软件复用中过程中体现和实现软件复用产品的知识共享。针对软件复用技术的研究和实践取得了令人鼓舞的成果，而在软件复用过程研究领域目前却无实质性的进展。