Download the value-added app of the satellite book first, and then activate the book. You must download the whole book to use the ar model. After downloading, there will be a button except scan and an ar button. Just scan the pictures of available AR models directly.

First of all, the ninth edition has two AR models, one on page 135 and the other on page 148. 1 Download the whole book, 2 download the AR models of these two pages respectively, and then you can see 3 and scan it again to enter the AR interface. At this time, you need to click on the one in the upper right corner to return to the clip head, and then click on the hot spot, and the smaller point will come out.