Rule of three 三法则 ; 三次法则 ; [数] 比例法

defensive three second rule 防守三秒规则 ; 防卫三秒规则

Three-second Rule 三秒法则

three second rule 三秒钟规则 ; 三秒违例

three sigma rule 三规则

three eighths rule 八分之三法

three-edged-rule 三棱尺

The rule of three 三强鼎立理论 ; 三次法则 ; 三的法则 ; 三法则

three edged rule 三角尺