Correct or improve the translation of the following English sentences.
原文：In 1840, Cyrus performed a miracle by cutting from two to two-and-a-half hectares a day with the curious machine he had been developing for nearly 10 years.
译文：到了1840年，塞路斯用
Correct or improve the translation of the following English sentences.
原文：In 1840, Cyrus performed a miracle by cutting from two to two-and-a-half hectares a day with the curious machine he had been developing for nearly 10 years.
译文：到了1840年，塞路斯用他历经近十年研制的神奇机器创造了一天可割麦2到2.5公顷的一个奇迹。改译：
