...术；大豆；幼苗；子叶节区；初生维管系统； [gap=722]Key words: optical microscopy; soybean; seedlings; cotyledon node zone; primary vascular system; ...
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子叶节区理论 Cotyledon node zone theory
And cotyledon node zone could be divided into three parts:upper,middle and lower.
子叶节区又分为上、中、下三部分。
参考来源 - 四种药用植物根的发育解剖学研究·2,447,543篇论文数据，部分数据来源于NoteExpress
子叶节区—根过渡区极短。
在子叶节区下部存在原始的外始式二原型十字形单中柱。
The primitive exarch and diarch haplostele with cross-like metaxylem exists in the lower part of CNZ.
根据子叶节区理论和方法对胡萝卜幼苗初生维管系统进行了解剖学研究。
After making an anatomic study on the primary vascular system of their seedlings based on the theory and method of cotyledon node zone.
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