Judging by these ads, the Chinese Army is having trouble attracting virile young men (or lesbians.) On the other hand, they might be recruiting for officer training.
These Chinese Army recruiting posters are not very subtle in conveying that if you look like the average Chinese woman, you probably shouldn't show up at the recruiting office.
Implications - It's usually controversial when provocative images are used in posters that are trying to make a statement; however, these appeal to a certain demographic due to their understanding of the issues and what the artist is trying to truly convey with their images. These are what PSAs go for when the organizations are trying to raise awareness.