Due to the different jurisdictions, sources of funding, and research content, scientific research topics have various forms. The main sources of scientific research topics are ().
A、Scienceitselfneedsdevelopment
B、Socialproductionpracticeneeds
C、Nationalpolitical,economic,andmilitaryneeds
D、Sociallifeandotherneeds
发布时间：2024-12-17 23:32:44
