系统生物学是研究生命系统各层次组分在时空中发生的相互作用，以发现系统的组织原理、动态行为和涌现属性中规律的学科。

Systems biology is a discipline to study the spatial-temporal interactions of components in different levels of biological systems, seeking to find the laws in the organization principles, dynamic behaviors and emergent properties of such biological systems.