longitudinally

adverb
1
from top to bottom; along the length of something rather than across the width
به صورت طولی, در امتداد طولی, از بالا به پایین, به‌طور طولی, در جهت طولی
2
in a way that follows the development of something over a period of time
در طول زمان
Six patients were studied longitudinally.
3
in a way that is connected with longitude
به طور طولی, در راستای طول, طولی
Greenwich was selected to be the most important place on earth (longitudinally speaking).