The Rh factor is important when we learn about the Rh blood group system.

当我们了解Rh血型系统时，Rh因子是很重要的。

However, in the Rh blood group system, the antibodies are not automatically produced.

然而，在Rh血型系统中，抗体并不是自动产生的。

The Rh blood group system is a classification system for blood that depends on the presence or absence of the Rh antigen - or factor - on your red blood cells.

Rh血型系统是一个血液分类系统，取决于红细胞上Rh抗原或因子存在与否。