biconcentric
释义与例句
adj.
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1.
Having two concentric layers.
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2.
Having two concentric layers.
Describing the fibrovascular bundles in Eriocauloneae: round the axial hadrome bundle is a layer of leptome, which is again enclosed by a hadrome layer.
生物 植物学
词源
bi- + concentric
来源:wiktionary