branch and root

基本解释

The AC of leaf, branch, root and stem increased as the stand ages increased, the GCV of them changed oppositely.
叶、枝、根、干的灰分含量随林龄的增大有减小的趋势，而干重热值则相反；
Trunk and leaf had the most and the least accumulation of the elements, respectively, and branch and root were comparable.
元素在不同器官中的积累，以干最多，叶最少，枝和根接近。
Elevated CO2 increased the dry mass of stem, branch, leaf and root and the uptake of N and P per plant, but decreased the N and P contents of each organ.
CO2浓度增加，红桦幼苗茎枝、叶、根和总生物量提高，氮（N）、磷（P）含量降低，但单株N、P总吸收量均增加。

It would also explain Mr Arafat's reluctance to don the armour of Israel's protector and go forth to try to destroy Hamas, root and branch.
ECONOMIST: What Arafat can and can’t do