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Video Cytological Image Analysis System and micrography were adopted to examine vessel elements in secondary xylem of Phyllanthus emblica. 摘要運(yùn)用細(xì)胞圖象分析系統(tǒng)及顯微照相的方法，對(duì)余甘子次生木質(zhì)部導(dǎo)管分子進(jìn)行觀察研究。