The surface of separation between the very hot core and the somewhat cooler outer layer is the radiation front.

十分热的芯部和略为冷些的外区之间的分界层就叫做辐射波阵面。

youdao

The surface of separation between the very hot core and the somewhat cooler outer layer is the radiation front.

十分热的芯部和略为冷些的外区之间的分界层就叫做辐射波阵面。

youdao