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来自维基百科,自由的百科全书
主根是指植物中位於中間位置且體積非常巨大的一個根,其他較小的根會從主根附近長出。許多植物的主根非常挺直而且非常粗,不過主根越往下也會逐渐变细,并且還會一直向下生长。 [1]
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Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.