Abstract: Planetary gear trains (PGTs) are used in automatic transmission to achieve any desired speed ratios. At present, the study on the relationship between speed ratio and topology is not significant. Therefore, this paper ...

Abstract: Abstract Urban–rural integrated development is a promising strategy for advancing China’s low-carbon economy at the county level. This study uses satellite data sets to examine the relationship between urban–rural integration ...

Abstract: The deformation of substrate caused by laser scanning pattern during direct laser fabrication (DLF) is ignored in spite of its importance to the final dimension accuracy. In this paper, in order to investigate the effect ...