缩写
中文翻译：通常指
同义词：
['DF', 'DFD', 'DFT', 'DFG', 'DFA']
例句：
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1. The team has been working on developing a new software system for months.
团队已经工作了数月来开发一个新的软件系统。
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2. The company is designing a new product line to meet the market demand.
公司正在设计一个新的产品系列以满足市场需求。
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3. The engineers are developing a new algorithm to improve the efficiency of the production process.
工程师们正在开发一种新的算法以提高生产过程的效率。