本文从植物生态学角度出发，根据树的生长原理，建立生长模型及相应的数据结构，并提出该结构的遍历演算法。
With the plant bionomy the tree ' s growth mechanism is analysed. tree ' s growth model and data structure are builded, and the way of traversaling is advanced.
植被护坡是利用植被涵水固土的原理稳定岩石边坡同时美化生态环境的一种新技术，是涉及岩土工程、恢复生态学、植物学等多学科于一体的综合工程技术。
Slope protection with vegetation is a kind of new technology which is used to stabilize rock slopes and beautify the ecological environment at the same time.
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