矩形-圆形波导转换器
rectangular-circular waveguide transducer
Lambert保形圆锥射影
Lambert’s conformal conic projection
Morris圆形水迷宫
rounded Morris water maze
RCM接收信号强度指示与切圆圆心混合定位算法
RCM RSSI and Circle centre Mixed localization
半封闭圆形衬砌
partially sealed circular lining
半椭圆形弹簧
half-elliptic spring(semi-elliptic spring
semi elliptic spring
half elliptic spring
semi-elliptical spring
half-elliptic spring
半椭圆形垄
ridge of half ellipse shape
半圆形β摄谱仪
semicircular beta spectrograph