optical projection instrument

常見例句

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(jié)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)。
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