【Key words】 poplar plantation； growth pattern； biomass； crown structure； leaf efficiency；
基于6个网页-相关网页
俄勒冈大学和俄勒冈州立大学的研究人员对中美洲的切叶蚁进行了研究，他们发现，蚁群中的年轻和精力充沛的成员被委派去做最艰难的工作——将蚁群收集起来的叶片切成碎片。 这些身强力壮的切叶蚁用它们锐利的牙齿做起这种工作来很有效率，但是随着年龄的增长，它们的牙齿也会变得破旧而迟钝。
A study of Central American leaf-cutter ants has shown that the younger and more vigorous members of the colony are given the toughest job of cutting through the leaves they harvest.
“它也会为你换来大脑中额叶和颞叶皮层等区域容积的增加，并为支持我们所测试的认知能力带来更有效率的神经元网络”。
It will also buy you increases in the volume of various brain regions in the prefrontal and temporal cortex, and more efficient neuronetworks that support the kind of cognition we examined.
西班牙征服者曾宣称古柯叶是恶魔的化身，直到他们了解古柯叶提高了印地安人在地下矿坑的工作效率。
The Spanish conquistadors declared coca a tool of the devil, until they saw how it improved the work rate of the Indians they sent down the mines.
应用推荐