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。
【正确答案】：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。
【题目解析】：p26
改进题：Until the domain theory of magnetism was developed, they did
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