纵脉：昆虫从翅膀基部伸向翅膀边缘的长脉。
有翅昆虫翅基纵脉的走向及愈合模式在系统发育重建中占有重要地位。
The bracing and merging pattern of basal longitudinal veins plays an important role in phylogeny reconstruction within Pterygota.
巧妙设计“一横两纵”的绿色走廊形式的城市“绿脉”，将商业与住宅的景观空间接在一起。
Clever design of one horizontal and two vertical green corridor form of the city green pulse, the commercial and residential landscape space together.
应用推荐