改进题：Until the domain theory of magnetism was developed, they did not have much success.
译文：直到磁力学理论被提出，他们才取得了巨大的成功。
改进的译文：直到提出了磁力学理论，他们才取得了巨大的成功。
改进题：Until the domain theory of magnetism was developed, they did not have much success.
译文：直到磁力学理论被提出，他们才取得了巨大的成功。
改进的译文：直到提出了磁力学理论，他们才取得了巨大的成功。
