原点 (yuán diǎn) — (mathematics) origin (the starting point of a coordinate system)

定義

例文

• 在平面直角坐标系中，原点是(0,0)。
  Zài píng miàn zhí jiǎo zuò biāo xì zhōng, yuán diǎn shì (0, 0).
  In a plane rectangular coordinate system, the origin is (0, 0).
• 从原点出发，向右移动三个单位就到了点A。
  Cóng yuán diǎn chū fā, xiàng yòu yí dòng sān gè dān wèi jiù dào le diǎn A.
  Starting from the origin, move three units to the right to reach point A.
• 函数图像经过原点。
  Hán shù tú xiàng jīng guò yuán diǎn.
  The function graph passes through the origin.