The reason that we can speculate that the universe has a mirror image is the theory of CPT symmetry.

们能够推测宇宙有镜像的原因是因为 CPT 对称理。

The students who registered at the fake university were part of a student visa program called CPT (Curricular Practical Training).

在这所虚假大学注册的学是学签证项目" 课程实践培训（CPT）" 的一部分。

We ain't betting on cpt here, man.

们可不像黑人那样悠哉, 小子。

There is a mathematical theorem that says that any theory that obeys quantum mechanics and relativity must always obey the combined symmetry CPT.

有一个数学定理说，任何服从量子力学和相对的理都必须始终服从组合对称性 CPT。