A projector shines a map of the veinnetwork directly on the skin.
投影仪将静脉网络的分布图直接投射到皮肤上。
2
Vein density is a sign of how much a leaf has invested in the network.
叶脉密度标志着树叶在这个网状结构中投入了多少。
3
They discovered this by injecting fluorescent dye into leaves to see if the veinnetwork could distribute the dye to all parts of a leaf that had been damaged.