"光盘行动" is a Chinese term that refers to a program that provides free educational resources, such as CDs and DVDs, to students in junior high school. In Engpsh, you could describe this program as a "CD/DVD distribution program for junior high school students" or something similar. It's also possible to simply translate the term "光盘行动" as "CD/DVD action" or "CD/DVD campaign." However, it's worth noting that this term may not be widely understood by Engpsh speakers who are not famipar with the Chinese education system.