资讯

Roger H. Marty, The Number of Paths in a Rooted Binary Tree of Infinite Height, The College Mathematics Journal, Vol. 21, No. 4 (Sep., 1990), pp. 305-307 ...
The allometry of tree height with respect to trunk diameter and the allometry of trunk diameter with respect to distance from the top of the tree (i.e. trunk taper) were determined for 27 Robinia ...
Six Inch Tall Tree: Genetic Modification Used To Control Height Of Trees Date: June 19, 2007 Source: Oregon State University Summary: Forest scientists have used genetic modification to ...