A projector shines a map of the vein network directly on the skin.
投影仪将静脉网络的分布图直接投射到皮肤上。
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。
They discovered this by injecting fluorescent dye into leaves to see if the vein network could distribute the dye to all parts of a leaf that had been damaged.
他们的研究方法是，向叶片内注射荧光染料，看叶脉网络是否能够将染料输送到各处受损部位。
应用推荐