ACE means first-class, ACE, which comes from the word AACE in playing cards. In Japanese idol groups, ace refers to the ace members in the group. Ep is the name of the patch.

EP:ExtendedPlay, which means album. Ep is also a kind of CD, but there are differences between them. Ep refers to a short album that you can't watch for an hour in the long run, but more importantly, it is.

2.EinsteinProbe (or EP) is a small scientific exploration satellite, which is used for future time-domain astronomy and high energy astrophysics.

3.EP epoxy resin refers to an organic polymer compound with two or more epoxy groups in its molecule, and its relative molecular weight is not high except for a few. Epoxy resin molecules.