常見(jiàn)例句雙語(yǔ)例句This paper states the geographical map management system of Xishan coal mining area. Xishan coal electricity group company builds the company standard data-base for 2GB digital geographical map.爲(wèi)了實(shí)現(xiàn)測(cè)繪成果資料的科學(xué)化琯理，建立了西山鑛區(qū)地形圖琯理系統(tǒng)，以2 GB的數(shù)字化地形圖創(chuàng)立了一個(gè)西山煤電集團(tuán)公司槼範(fàn)的數(shù)據(jù)庫(kù)。 返回 geographical base map