短語詞組短語central cross -section 中心截麪removal cross -section 移出截麪meridian cross -section 子午線截痕Cross -section investigation 現(xiàn)況調(diào)查excitation cross -section 激發(fā)Rayleigh cross -section 瑞利分辨率判據(jù)profile cross -section 型材截麪cross s section area 橫截麪積vertical cross -section 垂直橫剖麪;垂直截麪 返回 cross section