1, the popular explanation of dimensionality reduction attack is not to directly attack the target, but to break the inertial living conditions of the target and make the other side unable to survive. In other words, reducing the spatial dimension of the target itself leads to the target's inability to survive in the low-dimensional space, thus achieving the goal of destroying the target.

For example, 2

During the 2008 Beijing Olympic Games, all kinds of national famous brands broke their heads and put advertisements in succession, especially Adidas and Nike, who put all kinds of advertisements on sports and personnel related to the competition. It can be said that they have no intention of leaving other colleagues alive because of their deep pockets. Domestic sports brands can't match their financial resources, and many of them can only regret leaving. However, Li Ning found a new way to sponsor the team of reporters, commentators and hosts of sports channels. Great, as long as sports events are broadcast live, people all over the country can see Ning's brand logo, while other brands have been hit hard.

3, the so-called dimensionality reduction blow is to do things from a higher height and make the original idea suddenly unobservable.