名词
中文翻译：Unknown
同义词：
['phase', 'period', 'stage', 'cycle']
例句：
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1. The company's growthhas been characterized by a series of phases.
该公司的成长过程被一系列阶段所特征。
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2. The project is in the early stagesof development.
该项目处于开发初期。
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3. The researchwas in the second phase of its investigation.
研究处于调查的第二阶段。