名词短语中文翻译
中文翻译：交替现象
同义词：
['transition', 'alternation例句：1. The scientist observed the alternation of signs in the experiment.（科学家观察到实验中交替出现的现象。）']
例句：
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1. The scientist observed the alternation of signs in the experiment.
科学家观察到实验中交替出现的现象。
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2. The weather forecast predicted a period of alternation between rain and sunshine.
天气预报预测了雨和阳光交替出现的时期。
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3. The researcher found that the alternation of signs led to a significant increase in productivity.
研究人员发现交替现象导致了生产力的显著提高。