त्र्यङ्गुलावरं मध्यमावरयोः ॥ कZ_०२.३०.१५ ॥
try-aṅgulāvaraṃ madhyamāvarayoḥ
中等与下等者,其标准较上等规格减少3指。
It creates predictable grade-differentials for valuation, pay, and rationing—limiting discretionary manipulation by stable officials.