A novel class of n-4R compliant parallel pointing mechanisms is proposed, and the compliance and kinetostatic model of the mechanism here are established and analyzed successively.Firstly, the compliance model of a class of n-4R compliant parallel pointing mechanism is established based on the coordinate transformation.The model is verified by fini
This article analyzes the possibility of online education to ensure the quality of higher education.A review of scientific literature led to the conclusion that in the Russian scientific discourse, the potential of online education to ensure the quality of higher education through the resource potential has not been studied.The goal is formulated a
Because of their strong dependence on the environment, the spatial distribution of pond-breeding amphibians can be greatly influenced by anthropogenic habitat alteration.In some agricultural landscapes in Brazil, the anuran Pseudopaludicola mystacalis appears to be highly influenced by land use.Because adult males and tadpoles of this species are u