She made a small casket with paper board.
她用纸板做了一个匣子。
This paper aims to explain the teaching of the dark casket designing experiment of electromagnetism that clarifies the course of the designing experiment.
从一个电磁学暗匣子设计性实验的教学，阐述了完成设计性实验的过程。
This paper aims to explain the teaching of the dark casket designing experiment of electromagnetism that clarifies the course of the designing experiment.
从一个电磁学暗匣子设计性实验的教学，阐述了完成设计性实验的过程。
应用推荐