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密穗
密树丛
密花序
1、cluster sampling───分群[组]抽象法；分组取样；类集抽样；巢式抽样法
2、dense shrub───茂密灌木
3、dense fog───浓雾（零级能见度）; 大雾; 迷雾
4、star cluster───n.星团；[天]星团
5、cluster───n.群；簇；丛；串；n.(Cluster)人名；(英)克拉斯特；vt.使聚集；聚集在某人的周围；vi.群聚；丛生
6、mesial dense───每月密集
7、cluster size───簇大小
8、dense───adj.稠密的；浓厚的；愚钝的
9、dense layer───[医]致密层
1、At the center is a dense cluster of ultra-sensitive vision cells. Outside this central area, the cells rapidly become more sparse.───在中心部分分布着密集的强敏感视觉细胞，而在中心部分以外的区域，光感细胞的分布明显稀疏了许多。
2、Stems several, base short branched with basally persistent withered leaves, frequently forming a dense cluster.───茎数个，基部短枝具宿存枯萎叶，经常形成紧密簇生。
3、In the whole flow passage, the air concentrated in the wheel hub office to form a dense cluster of bubbles.───在整个流道内，空气主要集中在轮毂处，形成密集的气泡群。
4、At the center is a dense cluster of ultra-sensitive vision cells.───处于中心的是一群密集的超级敏感细胞组。
5、Forming a headlike mass or dense cluster as the flowers of plants in the composite family .───的，头状花序的形成头状的一簇或稠密的一丛的，如菊科植物的花朵。
6、At the center is a dense cluster of ultra-sensitive vision cells.───中间密集着超灵敏视觉细胞。
7、Crowded or massed into a dense cluster.───丛生的，聚生的聚集成密丛的
8、The dense cluster is made up of several million stars in a volume only about 120 light-years across.───这个稠密的星团由几百万颗恒星组成，分布在约120光年的尺度上。
9、At maturity, pods distributed along the stem which terminates in a rather dense cluster of pods.───成熟的荚沿茎分布着，茎终止于一簇较密的荚。