最大公约数 gcd; greater common divisor; greater common factor; greatest common divisor; greatest common measure; highest common divisor; highest common factor; le plus grand commun diviseur; maximal common divisor
公约 1.(条约名称)convention; treaty; pact 北大西洋公约 the north atlantic treaty; 日内瓦公约 the geneva convention2.(共同遵守的章程) joint pledge; collectively agreed-upon regulations within a work-unit 服务公约 service pledge (given by workers in the service trades)