硬盤補(bǔ)償precompact linear mapping: 準(zhǔn)緊線性映射precommunicative activitiess: 分為前交際活動(dòng)precompact mapping: 準(zhǔn)緊映射precommissural septum: 聯(lián)合前隔precompact metric space: 準(zhǔn)緊度量空間下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯