The rule of three三强鼎立理论;三次法则;三的法则;三法则
Dreisatz rule of three三分律
Rule of the Three万事皆三
rule of three rigidity piece三刚片规则
Rule-of-Three万事皆三
cambion Rule-of-Three坎比翁万事皆三
Rule of two and three二三法则;二三原则
N(名词) a mathematical rule asserting that the value of one unknown quantity in a proportion is found by multiplying the denominator of each ratio by the numerator of the other 比例运算法则