lockstep

noun
1
a way of walking together where people move their feet at the same time
حرکت هماهنگ, قدم زنی همزمان, هم‌قدم
2
a situation where things happen at the same time or change at the same rate
هماهنگی کامل, همزمانی, همگامی, تطابق زمانی
a lockstep approach to teaching
Cases of breathing difficulties increase in lockstep with air pollution.