查询词典 Roystonea
- 与 Roystonea 相关的网络例句 [注：此内容来源于网络，仅供参考]
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The dominant species at arbor layer are Washiongtonia robusta, Ficus microcarpa, Roystonea regia, Delonix regia, Caryota ochlandra, Alstonia scholaris, Bauhinia variegate, Bombax malabaricum, Erythrina orientalis, Cinnamomum japonicum, Acacia onfuse. The dominant species of shrub layer mainly are Rhododendron simsii, Osmanthus fragrans, Hibiscus rosa sinensis.
植物群落中乔木优势种的组成主要有：华盛顿棕榈、榕树、大王椰子、凤凰木、鱼尾葵、盆架子、洋紫荆、木棉、刺桐、天竺桂、台湾相思等；灌木优势种主要有：杜鹃、桂花、扶桑。
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The results were as follows: 1 There were 7 133 trees, belonging to 23 species and 18 genera and 13 families, and their average DBH, crown and height were respectively 27.59 cm, 4.10 m and 6.94 m. In general their average crown was relative small. 2 S, H (Shannon-Wiener index), and D of biodiversity index were small, and there were the obvious difference in those indexes among different streets, which suggested that there were certain monotone of the tree species and structure layer. 3 The dominant species mainly consisted of evergreen trees that were Ficus virens var. sublanveolata, Ficus benjamina, Roystonea regia, Terminalia hainanensis, T.
结果表明：1梅州城区行道树共有13科18属23种7133株，其平均胸径、平均冠幅、平均树高分别为27.59cm，4.10m，6.94m，总体上看，平均冠幅偏小；2物种丰富度指数S、Shannon-Wiener指数H和Simpson指数D偏小且各道路间差异明显，说明各道路行道树存在一定程度的物种单一性、层次的单调性；3梅州市城区行道树优势树种是大叶榕、垂榕、大王椰子，次优势种为海南榄仁、阿珍榄仁、阴香，它们是梅州城市街道绿化的好树种。
- 推荐网络例句
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When I started coding, I had problems with the ASF file writer.
当我开始编码，我曾与ASF文件作家的问题。
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I know that in one of the schools the boys have risen up in the classroom and enlisted in a mass.
如果你们也和他们一样，是集体自愿的话，你们的老师将是多么地光荣啊。
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But in monopolizing industry, because of limit of industrial policy and financial policy, the development of non-state owned economy has come under serious suppression.
但在垄断性产业上，由于产业政策、金融政策上的限制，民营经济的发展受到了较为严重的抑制。