求翻译：研究结果表明，我国技术要素处于比较劣势以及引进外资的技术溢出效应受限等原因共同导致了我国技术要素空心化现状，并由此引发一系列问题。提出的政策建议包括加大科技投入、促进我国产业结构的优化和升级等是什么意思？

正在翻译，请等待...

These results indicate that my technical elements in a comparative disadvantage in introducing foreign capital and technology spillover effect is restricted for reasons such as technical elements common to the status quo, and hollow and thus trigger a series of problems. The policy recommendations i

The findings indicated that, our country technology essential factor was in the comparison inferiority as well as the introduction foreign capital technical overflow effect is limited and so on the reasons to cause together our country technology essential factor hollow present situation, from this

Study results show that technical factors at a comparative disadvantage in China and the technology overflow effect of introducing foreign capital limited, jointly lead the technical elements of hollow situation in China, and caused a number of issues. Propose policy recommendations include increasi

Study results show that technical factors at a comparative disadvantage in China and the technology overflow effect of introducing foreign capital limited, jointly lead the technical elements of hollow situation in China, and caused a number of issues. Propose policy recommendations include increasi