The vessel elements of secondary xylem in Tectona grandis are observed and studied by cell image analysis system and micrography.
运用细胞图象分析系统及显微照相的方法对柚木次生木质部导管分子进行了观察研究。
Through a series of comparative experiments, it was shown that many pretreatments for quick germination of Tectona grandis fruit had definite effect if being used appropriately under its requirements.
对柚木种实的预处理，经一系列对比试验，说明只要处理得当，在保证基本满足其萌发的条件下，多种方法都能取得一定的效果。
Preliminary discussion on the standards for classification of 1-year nursery stuck of Tectona grandis L. is conducted with the method of gradual cluster analysis and relevant quality index collection.
通过相关分析进行质量指标提取，采用逐步聚类分析方法，对柚木1年生苗木分级标准进行了初步探讨。
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