समविषमनिम्नस्थलह्रस्वदीर्घवशेन वाध्वनो यात्रां विभजेत् ॥ कZ_०९.१.५१ ॥
samaviṣamanimnasthalahrasvadīrghavaśena vādhvano yātrāṃ vibhajet
他应依道路状况来划分(规划)每日行军:平坦或崎岖、有无低洼,以及各段路程是短是长。
To institutionalize terrain-based scheduling: the march is not fixed by calendar alone but apportioned by road conditions to reduce fatigue, delays, and disorder.
Operational planning using route risk/effort profiling—adjusting movement rates by terrain and segment length.