名词
中文翻译：直接变化
同义词：
['direct change', 'direct variation']
例句：
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1. The genetic makeup of the specieshas undergone a significant direct variation inrecent years.
该物种的遗传构成在近年来经历了显著的直接变化。
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2. The researchteam conducted a direct variation study to understandthe effects of climate change on plant growth.
研究团队进行了一项直接变异研究，以了解气候变化对植物生长的影响。
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3. Thescientists observed that the direct variation in thepopulation's genetic makeup had led tochanges in their behavior patterns.
科学家们观察到，人群中基因组成的直接变异导致了行为模式的变化。