Usually when visiting a scenic spot, you will choose a way of explanation, maybe you will go directly with the group and let the tour guide l...
Mini-program tour guide quietly change the traditional way of traveling.
When traveling independently, mini-program tour guide can provide help to tourists, because mini-program tour guide can have map guide instructions...
How does the automatic audio guide sense the explanation?
When visiting outdoor scenic spots, it is more convenient for tourists to choose an automatic audio guide than a tour guide, because the auto...
How does the automatic tour guide sense the explanation?
When visiting outdoor scenic spots, it is more convenient for tourists to choose an automatic tour guide than a tour guide, because the autom...
How does the automatic audio guide sense the explanation?
When visiting outdoor scenic spots, it is more convenient for tourists to choose an automatic audio guide than a tour guide, because the aut...