Research design is the assumption and planning of the specific content and methods of scientific research, including ().
A、Experimentaldesign
B、Professionaldesign
C、Applicationdesign
D、Statisticaldesign
发布时间:2024-12-17 23:45:17
A、Experimentaldesign
B、Professionaldesign
C、Applicationdesign
D、Statisticaldesign