radius是什么意思？

radius

英[ˈreɪdiəs] 美[ˈrediəs]

• n. 半径（距离），用半径度量的圆形面积，半径范围，桡骨；

复数：radii;

例句

• We are measuring the radius of the circle. 我们正在测量圆的半径。
• Cordelia and Ophelia orbit inside the synchronous orbit radius. 天卫六与天卫七属于同步轨道半径之内.
• Cuirassier ( French heavy cavalry who wore breastplates and metal helmets ): Now has a radius attack. Cuirassier ( 法国重骑兵,着装胸甲和铁护臂 ): 现在具有范围杀伤.
• Are you extrapolating the rate of the leak to get the escape radius? 你正在通过漏油的速率来推断出他们逃跑的半径?
• Saboteur: Booby Trap Mine splash radius increased sensitively. 破坏者: 诡雷杀伤范围明显增大.
• He has visited every shop within a radius of two miles. 周围两英里以内的店铺他都去过.
• They deliver to within a 5-mile radius of the store. 他们在距离商场5英里的范围内送货上门。
• The particle radius unit, the micron, is especially common and useful. 粒子半径的单位是微米, 微米这个单位尤其普通和有用.
• It changes working radius usually by luffing jib. 通常多采用俯仰臂架的方法来实现工作幅度的改变.
• Easement curve was introduced, whereby curvature changes steadily form a straight line to the desired radius. 缓和曲线推出, 即曲率变化,稳步形成一条直线,以达到预期的半径.

柯林斯高阶英汉双解学习词典释义

• N-SING
  半径范围；半径距离
  The radius around a particular point is the distance from it in any direction.
  例句
  Nigel has searched for work in a ten-mile radius around his home. 奈杰尔一直在他家周围10英里的范围内找工作。
• N-COUNT
  半径
  The radius of a circle is the distance from its centre to its outside edge.
  例句
  He indicated a semicircle with a radius of about thirty miles. 他标示出了一个半径大约为30英里的半圆形。

英汉词典释义

• n.
  半径(距离)
  We are measuring the radius of the circle. 我们正在测量圆的半径。
  用半径度量的圆形面积; 半径范围
  He has visited every shop within a radius of two miles. 周围两英里以内的店铺他都去过。

英英词典释义

• Noun
  1. the length of a line segment between the center and circumference of a circle or sphere
  2. a straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere)
  3. a circular region whose area is indicated by the length of its radius;
  "they located it within a radius of 2 miles"
  4. the outer and slightly shorter of the two bones of the human forearm
  5. support consisting of a radial member of a wheel joining the hub to the rim

行业词典

• 体育： 桡骨；
  动物学： 辐部；桡骨；又称 :桡骨(epiphysis(棘皮动物) )；
  医学： 〔复radii〕半径：圆(球)心至圆(球)外周线的任何一条直线；界限，范围：从既定的某一点或某一中心，以固定的距离所确立的圆形区域；辐射线：用于解剖学命名的一种放射状结构；桡骨〔NA〕：前臂外侧(拇指侧)骨，近端与肱骨和尺骨接合构成关节，远端与腕和尺骨接合构成关节；
  数学： 半径；
  解剖学： 桡骨；又称 :桡骨(Radius（拉）)；