[網(wǎng)絡(luò)] 系統(tǒng)設(shè)置;系統(tǒng)設(shè)置鍵;系統(tǒng)信息 alternate set system: 交替練習(xí)法bipolar system development set: 雙極系統(tǒng)開發(fā)部件coordinate system set of coordinates: 坐標(biāo)系fuzzy set system: 模糊集合系統(tǒng)gyro set coordinate system: 陀螺坐標(biāo)系下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯