胶片的曲率是和弯月透镜后面的反射镜同心的.The curvature of the film is concentric with the mirror behind the meniscus.具有大致同心的等压线的低压区在技术上称为气旋.A region of low pressure with roughly concentric isobars is known technically as a cyclone.一层层同心的虚无是...
British Prime Ministers are traditionally offered hereditary peerages.英国首相传统上会被授予可世袭的贵族爵位。...peerages, knighthoods and other assorted gongs.贵族头衔、爵士称号以及其他各种勋章She believes that hereditary peerages should be abolished.她认为世袭...