plumb rule

n.

锤规，垂直准测规；

Plumb-rule
Plumb-rule
Plumb rule
THE TAX BENEFIT RULE TODAY
"Tax Benefit Rule Today, The"
John Foxe and the later Lollards of the Thames Valley
Town Reviews Bias Rule ; Boy Scouts' Access to Facilities Questioned; WEST NEWBURY; WEST NEWBURY
THE TAX BENEFIT RULE TOMORROW
Tax Benefit Rule Tomorrow, The
Multi-function measuring apparatus
ACCESS CONTROL BASED ON OPERATION EXPIRY DATA
How Should Monetary Policy Respond to Asset-Price Bubbles?
Magnetic order in $\ensuremath{\alpha}\ensuremath{-}{\text{RuCl}}_{3}$: A honeycomb-lattice quantum magnet with strong spin-orbit co...