新概念英语等级考试 NCTE ; New Concept Tests of English

高级概念 MFC Advanced Concepts MFC

概念级 [计] conceptual level

概念层级 Conceptual levels

幂级数的概念 concept of power series

则叫作二级概念 second intention

概念性声级 notional sound level

概念互操作等级模型 LCIM

超级概念车设计 GTA

概念和高级要求 Concept and high-level requirements