基本解釋[測繪科學技術]光學投影儀英漢例句雙語例句The instrument obtains 2-D data of the screw axis profile section by linear matrix CCD through with optical projection and machine driving, and then works out its parameters.它采用光學投影的方法，結合機械傳動，通過線陣CCD器件，獲取螺紋軸剖面外輪廓的二維數(shù)據(jù)，通過微機處理以后，得到螺紋的幾何參數(shù)。optical projection instrument更多例句專業(yè)釋義測繪科學技術光學投影儀