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树干直径
1、inside diameter───[数]内径
2、its trunk───它的树干
3、trunk opener───行李箱开启器
4、outside diameter───外直径；外径
5、diameter───n.直径
6、sympathetic trunk───[解剖]交感干；交感神经干
7、trunk───n.树干；躯干；象鼻；汽车车尾的行李箱；adj.干线的；躯干的；箱子的；vt.把…放入旅行箱内；n.(Trunk)人名；(德、匈、西)特伦克
8、steamer trunk───扁皮箱
9、shilling diameter───先令直径
1、The results showed that the nursery trees treated with one layer green gauze had the highest shoot length and trunk diameter values.───结果表明：绿纱单层网处理的幼苗生长量最大，秆径最粗；
2、The results showed that with pear genus dwarf stocks, the most combinations' trunk diameter is thinner, tree height is lower, growth shoots length is shorter, but crown diameter is bigger.───结果表明，梨属矮化砧木做中间砧，多数组合表现出树体干径细，高度低，发育枝短，但冠径较大。
3、do not form a continuous layer, are usually the giants of the forest, reaching heights of 35 to 70 m or more, and trunk sizes of over 2 m in diameter.───不形成连续层的新生植物通常是森林中的巨人，高度可达35至70米或更高，树干直径超过2米。
4、Before reaching the cave, I climbed over a large petrified tree trunk, three feet in diameter, dating back millions of years.───在到这个山洞之前，我爬上过直径有3英尺的石化树干，那树有几百万年的树龄了。
5、The national tree of Madagascar the baobab can attain a trunk diameter of 36 feet.───马达加斯加的国树，主干直径能达到36英尺。