名词 quadrant:

1. a quarter of the circumference of a circle

2. any of the four areas into which a plane is divided by two orthogonal coordinate axes

3. the area enclosed by two perpendicular radii of a circle

4. a measuring instrument for measuring altitude of heavenly bodies

quader[医]楔前叶, (大脑)方叶quadvt.用空铅填abbr.四边形（=quadrangle)abbr.四组；四胞胎之一（=quadruplet)abbr.四声道的（=quadraphonic）abbr.四头肌（=quadriceps）abbr.空铅；铅块（=quadrat）n.四方院子；四胞胎之一；嵌条；成套的四件东西quadrature mirror filter正交镜式滤波器quad-in-line package四列直插式组件quadrature kilovoltampere无功千伏安quadric wavelet transform二次小波变换quadruped walking vehicle[计] 四脚步行机器人quadrupole-triplet lens四极三透镜组quadrature-axis voltage交轴电压quadrate lobe of cerebrum[医] 楔前叶quadrilobulate lophophore四叶型触手冠(动)Quadriacanthus kobinensisn.高平四棘虫

1. On this basis, the dynamic propulsive models of DSV across four quadrants are set.
   据此建立了适用于四象限动态工况的深潜艇推进模型。
2. It's going to grow and grow until there's almost no other quadrants.
   它会无限膨大直至其他象限近于消失。