1 sentence

1. 在直角坐标系中，原点的坐标通常表示为(0,0)。

   zài zhí​jiǎo zuò​biāo​xì zhōng, yuán​diǎn de zuò​biāo tōng​cháng biǎo​shì wéi(0,0).

   In a Cartesian coordinate system, the coordinates of the origin are usually represented as (0,0).

   Source: Dong Chinese Dictionary