演替的阶段(称为演替阶段(seral stages))从一个先锋阶段(pioneer stage)经过数个中间阶段(intermediate stages)达到顶极阶段(climax stage),这个过程一个世纪之内都没有太大变化。
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依演替的发展程度,在演替初期的称为先锋期(pioneer stage),在演替中期的成为发展期(developmentstage),而发展到最后的稳定系 统称为顶极群落(climaXcommunity)。
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pioneer r stage 先锋阶段
Just because of his technological spirit of pioneer according with the demands in that era, it accelerated the paces of entering ripe and perfect stage of furniture.
正是由于他的技术开拓精神符合时代的要求,因而加速了家具进入成熟和完美阶段的步伐。
Today she took center stage as the pioneer woman of 'green and eco-friendly' in luxury fashion.
今日她已然一跃成为了提倡‘绿色与环保’豪华服装设计的先驱女强人。
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