| 释义 |
Betula platyphflla
基本例句
白桦
Niche relationships between Betula platyphylla and main understory herbages in forest-steppe ecotone of Daxingan-ling Mountains.大兴安岭森林草原过渡带白桦及主要草本植物生态位关系的研究。
Stem sap flow density characteristics of ailing Betula platyphylla in 2001 was concerned with physiological control of transpiration.叶感病白桦树干液流具有以上特点，是因为具有较强的蒸腾生理调控力，以适应叶部病害而求得生存。 |