With the development of the computer , software , database and the method of mechanical design , the technique of cad ( computer - aided design ) have been greatly promoted 計算機技術、軟件技術、數據庫技術以及機械設計方法的進步使得cad技術得到了很大的發展。
The result could be used as a basis for 3d reconstruction , and to provide product information for cad ( computer - aided design ) , capp ( computer - aided process planning ) and cam ( computer - aided manufacturing ) 所產生的結果,可作為形體三維重構的基礎,同時也為cad capp cam系統提供所需要的產品信息。