Variation of potential distribution

• 电位分布变化

Variation of potential distribution的用法和样例：

例句

1. China has the richest flora of gymnosperm in the world, which is crucial for understanding the change of global distribution and phylogeny of gymnosperm.
   摘要中国拥有世界上最丰富的裸子植物区系，对理解全球裸子植物分布变化与系统演化具有重要意义。