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水生态系统物质循环
释义
水生态系统物质循环
Encyclopedia
工学
水生态系统演化
释
material cycle of water ecosystem
水生态系统物质循环
某种物质或元素受自然营力和生物活动的驱动,在水生态系统内部或其间进行存储、迁移、转化的循环流动过程。
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nebulous bridge
nebulous cluster
nebulous envelope
nebulous object
nebulous patch
nebulous ring
NEC
necator americanus
necessary
necessary and sufficient condition
necessary and sufficient statistic
necessary and sufficient σ-field
necessary condition
necessary condition for optimality
necessary heirship
necessary labor under the socialist system
necessary labour and surplus labour
necessary nutrients
necessary observation
necessary product and surplus product
necessary statistic
necessary topology
necessity
necessity and freedom in history
nechanical dust collector
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