Single flower single day nectar volume and temperature and humidity habitats Tilia no significant correlation.
单花单日泌蜜量与糠椴生境温湿度没有显著的相关性。
2
Its main research concluded the following contents: the morphological and anatomical structure of Tilia amurensis exists differences as the hoist of latitude and elevation;
主要研究以下几点内容：紫椴的形态解剖结构是否随纬度、海拔的升高而存在差异；
3
The analyses result shows that tilia and Mongolian oak are suitable for regeneration under the same arboreal species and other trees is suitable under different arboreal species.