演算

gài lǜ yǎn suàn

概率演算

calculus of probabilities

zhè dào tí yǒu liǎng zhǒng yǎn suàn fāng fǎ

这道题有两种演算方法。

There are two ways of calculating the answer to this problem.

guān xi yǎn suàn

关系演算

calculus of relations

huí sù yǎn suàn fǎ kě yǐ xiě chéng hěn duǎn de jiě tí chéng shì

回溯演算法可以写成很短的解题程式。

Backtracking techniques can be encoded by fairly short solution programs.