常見例句雙語例句Select planar surface or datum plane.任意選擇一個平面。However, similar characteristics of deep karst below the present drainage datum plane are less studied up to now.現代排泄基準面以下深巖溶的類似特征則至今研究尚少。According to the definition of the minimum zone method, the mathematical model is presented for evaluating flatness error and establishing datum plane equation.建立了用遺傳算法實現圓柱度誤差最小區(qū)域法評定時目標函數數學模型的計算方法。 返回 datum plane