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
semi elliptic spring
half elliptic spring
semi-elliptical spring
half-elliptic spring
half-elliptic spring(semi-elliptic spring
半椭圆形垄
ridge of half ellipse shape
半圆形β摄谱仪
semicircular beta spectrograph