spatial and temporal regulation造句

Spatial and temporal regulation of pectinestersae activity during plant development is based on a large family of isoforms.
This system is known to function in conjunction with a second negative regulatory system, the nucleoid occlusion system ( NO ), to ensure proper spatial and temporal regulation of chromosomal segregation and division.
It's difficult to find spatial and temporal regulation in a sentence. 用spatial and temporal regulation造句挺难的