单词：improved method
improved method的用法和样例：
例句
- An improved method for synthesis of clindamycin acetonide was introduced.介绍了制备克林霉素磷酸酯中间体丙酮叉的工艺改进方法。
- The problems on the operation of the primary cooler with mixed oil are explicated, the method of improvement and practice effect are described.文中阐述了初冷用混配油操作中存在的问题，介绍了改进方法及实践效果。
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