ultra-smallEconomist⁵³⁵⁸¹⁺¹ 基本例句 🌏超小型 In recent years remarkable progress in mechanism for ultra-small, ultra- light and ultra- thin Camera-recorder has been made, Many new compact mechanisms have been designed. 近年来摄录一体机机芯在超小型、超轻型和超薄型等方面取得了很大进展，设计出了一些新的小型机芯。 cnki