定点的英文：
fixed point or location
point of reference
(math.) fixed point
to determine a location

参考例句：
  • Have you decided what to order?
    您已决定点什么菜了吗？
  • A plane curve formed by the locus of points equidistant from a fixed line and a fixed point not on the line.
    抛物线到一固定直线和不在直线上某一固定点等距的点的轨迹所形成的平面曲线
  • Designated selling agency;appointed store
    定点商店
  • Be designated manufacturer of... by...
    被..列为..定点生产厂
  • An appointed manufacturer specializing in the production of beverages for athletes
    专为运动员生产饮料定点厂家
  • I trained the puppy so that he won't make a mess.
    我训练小狗定点排便，以免弄得一团糟。
  • It can monitor the instantaneous velocities at specified points in a flowing stream.
    它能在流动的流注中的指定点上监测瞬时速度。
  • A fixed point whose relationship with a directrix determines a conic section.
    焦点一个与准线的关系决定圆锥形状的定点
  • A plane curve everywhere equidistant from a given fixed point,the center.
    圆，圆形从定点(圆心)等距离到任一点的平面曲线。
  • A device, such as a plumb line, used in marking the vertical from a given point.
    垂规，铅垂线一种装置，如铅垂线，用于从给定点标记竖直方向
fixed是什么意思：
adj. 固定的，不变的；（表情）呆滞的
  • Have you fixed on the date?
    日期选定了吗?
  • The horse race was a fix.
    这场赛马有人操纵。
  • Can you get a fix on the submarine?
    你能给潜水艇定位吗?
point是什么意思：
n. 点；标点；要点；尖端；得分
v. 削尖；指向；加标点于；表明
  • That is not the point in question.
    那不是要考虑的要点。
  • orientation point
    方位点
  • A score made on a try for a point or points after a touchdown.
    触地得分在触地后再次发球所得的一分或几分
location是什么意思：
n. 定位；地点；外景；农场；存储单元
  • from locating the sea bottom to locating a shoal of fish.
    从测定海深到测定鱼群，
  • The hotel is located in the heart of the city.
    那家旅馆地处市中心。
  • They hoped to locate in Chicago.
    他们希望在芝加哥定居。

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