90-90 rule
 

* 1.Ninety-Ninety Rule

English Related Words* 48-hour rule

* abegg's rule

* absolute priority rule

* aeroplane rule

* airplane rule

* algorithmic rule

* allen's rule

* american rule

* ampere's rule

* apply a rule

* arcane rule

* as a general rule

* as a rule

* aston whole number rule

* azimuth adjustment slide rule