... 三倍字长工作 triple-length working 三层树形结构 tree height of three 三叉树 ternary tree ...
双语例句
1
A medium-thick shelterbelt can reduce wind velocity by more than 10 percent to a distance of 20 times the treeheight on the leeward side and three times the height to the windward.
中等厚度的防风林在背风侧可在20倍于树高的距离而在迎风侧则在3倍于树高的距离上减小风速10%以上。
2
The "crown diameter-crown height" correlation equations and the formulas ofthree-dimensional vegetation quantity of tree crown are established.