quadrant
quadrant
英[ˈkwɒdrənt]美[ˈkwɑdrənt]
n.四分之一圆,扇形体,象限仪,四分仪;
复数:quadrants;
例句
upper quadrant上象限
lower quadrant下象限
azimuth quadrant地平象限仪
Notice particularly clear cells upper left quadrant of field.观察左上角视野,细胞显示尤为清晰.
A symbol appears in an upper quadrant of the screen.一个符号出现在屏幕上方的一个象限里。
That's right at the edge of the Burnham Quadrant, right?它就在波海姆象限区的边缘, 对 吗 ?
One quadrant of a circle contains all possible values of Zxy.圆的四分之一包括了所在可能的Zxy值.
Thoracolumbar kyphoscoliosis occurred in only 1 patient because a posterolateral quadrant vertebra.因后外象限的椎骨引起的胸腰椎后侧凸仅见于1个病人.
The cells of the quadrant in turn become partitioned to from the eight - celled embryo.四分体细胞于是分裂形成八细胞胚.
柯林斯高阶英汉双解学习词典释义
N-COUNT
(圆或其他形状的)四分之一;象限
A quadrant is one of four equal parts into which a circle or other shape has been divided.
例句
A symbol appears in an upper quadrant of the screen.一个符号出现在屏幕上方的一个象限里。英汉词典释义
n.
四分之一圆,扇形体,四分之一圆周,象限
象限仪;四分仪(常用于测量海上方位或观看星辰)
azimuth quadrant地平象限仪lower quadrant下象限upper quadrant上象限英英词典释义
Noun
1. a quarter of the circumference of a circle
2. a quarter of the circumference of a circle
3. any of the four areas into which a plane is divided by two orthogonal coordinate axes
4. the area enclosed by two perpendicular radii of a circle
5. a measuring instrument for measuring altitude of heavenly bodies
行业词典
医学: 象限:圆的四分之一,其所占部分所对的角为90度;四分体:与四分之一相当的部分,如腹部表面或耳鼓室的四分之一部分;
天文学: 象限仪;(1) 由一竖直安放的90°象限弧及瞄准器构成的用来测量天体地平经度的古代天文测量仪器。(2) 特指康熙年间由比利时传教士南怀仁监制的清代八件大型铜制天文仪器之一。;
数学: 象限;
测绘: 象限仪;装有望远镜的罗盘仪,用于测定地面上某直线的磁象限角。;
船舶: 舵扇;装在舵杆顶上带导轨或带齿的扇形舵柄。;
铁道: 扇形齿板;