建筑业互联网+转型发展白皮书2018

+ 2018 22001188+2018 : () I ............................................... 1 1.1 .............................................. 1 1.2 ................................... 4 1.3 .............................. 7 ......................... 16 2.1 ................................................... 16 2.2 ................................................... 19 2.3 ................................................... 21 2.4 ................................................. 25 2.5 ....................................... 29 2.6 3D .................................................... 32 2.7 ................................................... 36 ....................... 41 3.1 ........................................... 41 3.2 ........................................... 41 3.3 ......................................... 43 3.4 ............................... 46 3.5 ........................... 49 ........................... 57 4.1 ......................