名词
中文翻译：光周期变化期
同义词：
['light period', 'light cycle', "photoperiod例句：1. The plant's growth is influenced by the light period during its life cycle.（该植物的生长受其生命周期中光周期的影响。）"]
例句：
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1. The plant's growth is influenced by the light period during its life cycle.
该植物的生长受其生命周期中光周期的影响。
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2. The research focused on understanding the light period that affects plant growth.
研究专注于理解影响植物生长的光周期。
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3.During the day, the plant experiences a light period when it receives sunlight.
在白天，植物经历一个光周期，此时它接收到阳光。