adj.组合的
Combinatorial Theory is exceptionally useful in the real world.
组合论在现实世界中格外有用.
Combinatorial theory is widely regarded as the most delightful branch of mathematics.
人们普遍认为组合论是数学中最令人喜爱的分支.
This is a combinatorial problem in canonical form.
这是组合论中的典型问题.